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-rw-r--r--tools/dockerfile/distribtest/csharp_centos7_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/csharp_jessie_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/csharp_jessie_x86/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/csharp_ubuntu1404_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/csharp_ubuntu1504_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/csharp_ubuntu1510_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/csharp_ubuntu1604_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/csharp_wheezy_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/php_jessie_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/python_arch_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/python_centos6_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/python_centos7_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/python_fedora20_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/python_fedora21_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/python_fedora22_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/python_fedora23_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/python_jessie_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/python_jessie_x86/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/python_opensuse_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/python_ubuntu1204_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/python_ubuntu1404_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/python_ubuntu1504_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/python_ubuntu1510_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/python_ubuntu1604_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/python_wheezy_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/ruby_centos6_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/ruby_centos7_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/ruby_fedora20_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/ruby_fedora21_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/ruby_fedora22_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/ruby_fedora23_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/ruby_jessie_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/ruby_jessie_x86/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/ruby_opensuse_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/ruby_ubuntu1204_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/ruby_ubuntu1404_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/ruby_ubuntu1504_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/ruby_ubuntu1510_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/ruby_ubuntu1604_x64/Dockerfile2
-rw-r--r--tools/dockerfile/distribtest/ruby_wheezy_x64/Dockerfile2
-rw-r--r--tools/dockerfile/grpc_clang_format/Dockerfile2
-rwxr-xr-xtools/dockerfile/grpc_clang_format/clang_format_all_the_things.sh2
-rw-r--r--tools/dockerfile/grpc_interop_csharp/Dockerfile2
-rwxr-xr-xtools/dockerfile/grpc_interop_csharp/build_interop.sh2
-rw-r--r--tools/dockerfile/grpc_interop_cxx/Dockerfile2
-rwxr-xr-xtools/dockerfile/grpc_interop_cxx/build_interop.sh2
-rw-r--r--tools/dockerfile/grpc_interop_go/Dockerfile2
-rwxr-xr-xtools/dockerfile/grpc_interop_go/build_interop.sh2
-rw-r--r--tools/dockerfile/grpc_interop_http2/Dockerfile2
-rwxr-xr-xtools/dockerfile/grpc_interop_http2/build_interop.sh2
-rw-r--r--tools/dockerfile/grpc_interop_java/Dockerfile2
-rwxr-xr-xtools/dockerfile/grpc_interop_java/build_interop.sh2
-rw-r--r--tools/dockerfile/grpc_interop_node/Dockerfile2
-rwxr-xr-xtools/dockerfile/grpc_interop_node/build_interop.sh2
-rw-r--r--tools/dockerfile/grpc_interop_php/Dockerfile2
-rwxr-xr-xtools/dockerfile/grpc_interop_php/build_interop.sh2
-rw-r--r--tools/dockerfile/grpc_interop_python/Dockerfile2
-rwxr-xr-xtools/dockerfile/grpc_interop_python/build_interop.sh2
-rw-r--r--tools/dockerfile/grpc_interop_ruby/Dockerfile2
-rwxr-xr-xtools/dockerfile/grpc_interop_ruby/build_interop.sh2
-rw-r--r--tools/dockerfile/grpc_interop_stress_cxx/Dockerfile2
-rwxr-xr-xtools/dockerfile/grpc_interop_stress_cxx/build_interop_stress.sh2
-rw-r--r--tools/dockerfile/grpc_linuxbrew/Dockerfile2
-rw-r--r--tools/dockerfile/test/csharp_jessie_x64/Dockerfile2
-rw-r--r--tools/dockerfile/test/cxx_jessie_x64/Dockerfile2
-rw-r--r--tools/dockerfile/test/cxx_jessie_x86/Dockerfile2
-rw-r--r--tools/dockerfile/test/cxx_ubuntu1404_x64/Dockerfile2
-rw-r--r--tools/dockerfile/test/cxx_ubuntu1604_x64/Dockerfile2
-rw-r--r--tools/dockerfile/test/fuzzer/Dockerfile2
-rw-r--r--tools/dockerfile/test/node_jessie_x64/Dockerfile2
-rw-r--r--tools/dockerfile/test/php_jessie_x64/Dockerfile2
-rw-r--r--tools/dockerfile/test/python_jessie_x64/Dockerfile2
-rw-r--r--tools/dockerfile/test/ruby_jessie_x64/Dockerfile2
-rw-r--r--tools/dockerfile/test/sanity/Dockerfile2
74 files changed, 74 insertions, 74 deletions
diff --git a/tools/dockerfile/distribtest/csharp_centos7_x64/Dockerfile b/tools/dockerfile/distribtest/csharp_centos7_x64/Dockerfile
index 03b5b364f8..c917b29113 100644
--- a/tools/dockerfile/distribtest/csharp_centos7_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/csharp_centos7_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/csharp_jessie_x64/Dockerfile b/tools/dockerfile/distribtest/csharp_jessie_x64/Dockerfile
index 1cadba3b7b..249095a47b 100644
--- a/tools/dockerfile/distribtest/csharp_jessie_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/csharp_jessie_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/csharp_jessie_x86/Dockerfile b/tools/dockerfile/distribtest/csharp_jessie_x86/Dockerfile
index be962828c2..9eda551d9c 100644
--- a/tools/dockerfile/distribtest/csharp_jessie_x86/Dockerfile
+++ b/tools/dockerfile/distribtest/csharp_jessie_x86/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/csharp_ubuntu1404_x64/Dockerfile b/tools/dockerfile/distribtest/csharp_ubuntu1404_x64/Dockerfile
index 3d04d032b5..85daea450d 100644
--- a/tools/dockerfile/distribtest/csharp_ubuntu1404_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/csharp_ubuntu1404_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/csharp_ubuntu1504_x64/Dockerfile b/tools/dockerfile/distribtest/csharp_ubuntu1504_x64/Dockerfile
index 5eec570491..ec16105155 100644
--- a/tools/dockerfile/distribtest/csharp_ubuntu1504_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/csharp_ubuntu1504_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/csharp_ubuntu1510_x64/Dockerfile b/tools/dockerfile/distribtest/csharp_ubuntu1510_x64/Dockerfile
index a6d60fb4b9..110aa2ab86 100644
--- a/tools/dockerfile/distribtest/csharp_ubuntu1510_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/csharp_ubuntu1510_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/csharp_ubuntu1604_x64/Dockerfile b/tools/dockerfile/distribtest/csharp_ubuntu1604_x64/Dockerfile
index 61472704d7..4ef076669b 100644
--- a/tools/dockerfile/distribtest/csharp_ubuntu1604_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/csharp_ubuntu1604_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/csharp_wheezy_x64/Dockerfile b/tools/dockerfile/distribtest/csharp_wheezy_x64/Dockerfile
index 9039c3c509..d9e64fe9d1 100644
--- a/tools/dockerfile/distribtest/csharp_wheezy_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/csharp_wheezy_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/php_jessie_x64/Dockerfile b/tools/dockerfile/distribtest/php_jessie_x64/Dockerfile
index d5d3fd626f..e8cd6e760e 100644
--- a/tools/dockerfile/distribtest/php_jessie_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/php_jessie_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_arch_x64/Dockerfile b/tools/dockerfile/distribtest/python_arch_x64/Dockerfile
index c4f2431080..2f79cc3017 100644
--- a/tools/dockerfile/distribtest/python_arch_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_arch_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_centos6_x64/Dockerfile b/tools/dockerfile/distribtest/python_centos6_x64/Dockerfile
index 79dae0742f..d4f473792e 100644
--- a/tools/dockerfile/distribtest/python_centos6_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_centos6_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_centos7_x64/Dockerfile b/tools/dockerfile/distribtest/python_centos7_x64/Dockerfile
index 114957b573..ca64fa7bea 100644
--- a/tools/dockerfile/distribtest/python_centos7_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_centos7_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_fedora20_x64/Dockerfile b/tools/dockerfile/distribtest/python_fedora20_x64/Dockerfile
index 5e6cb15762..8b0f769c26 100644
--- a/tools/dockerfile/distribtest/python_fedora20_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_fedora20_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_fedora21_x64/Dockerfile b/tools/dockerfile/distribtest/python_fedora21_x64/Dockerfile
index f1b0e2f4b2..fcbe053f1f 100644
--- a/tools/dockerfile/distribtest/python_fedora21_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_fedora21_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_fedora22_x64/Dockerfile b/tools/dockerfile/distribtest/python_fedora22_x64/Dockerfile
index c6415946c3..ddcacb4257 100644
--- a/tools/dockerfile/distribtest/python_fedora22_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_fedora22_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_fedora23_x64/Dockerfile b/tools/dockerfile/distribtest/python_fedora23_x64/Dockerfile
index 6c834d2bc2..d45195e509 100644
--- a/tools/dockerfile/distribtest/python_fedora23_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_fedora23_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_jessie_x64/Dockerfile b/tools/dockerfile/distribtest/python_jessie_x64/Dockerfile
index 5778d604c8..83df4ed4fa 100644
--- a/tools/dockerfile/distribtest/python_jessie_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_jessie_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_jessie_x86/Dockerfile b/tools/dockerfile/distribtest/python_jessie_x86/Dockerfile
index e9cf99142b..19addb2912 100644
--- a/tools/dockerfile/distribtest/python_jessie_x86/Dockerfile
+++ b/tools/dockerfile/distribtest/python_jessie_x86/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_opensuse_x64/Dockerfile b/tools/dockerfile/distribtest/python_opensuse_x64/Dockerfile
index ea5d4c72a1..fe1406be98 100644
--- a/tools/dockerfile/distribtest/python_opensuse_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_opensuse_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_ubuntu1204_x64/Dockerfile b/tools/dockerfile/distribtest/python_ubuntu1204_x64/Dockerfile
index a48ce0eeef..4068fbe2ba 100644
--- a/tools/dockerfile/distribtest/python_ubuntu1204_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_ubuntu1204_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_ubuntu1404_x64/Dockerfile b/tools/dockerfile/distribtest/python_ubuntu1404_x64/Dockerfile
index 18dbfd4657..0858fb0c06 100644
--- a/tools/dockerfile/distribtest/python_ubuntu1404_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_ubuntu1404_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_ubuntu1504_x64/Dockerfile b/tools/dockerfile/distribtest/python_ubuntu1504_x64/Dockerfile
index 444a54d14b..ed6ffddbec 100644
--- a/tools/dockerfile/distribtest/python_ubuntu1504_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_ubuntu1504_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_ubuntu1510_x64/Dockerfile b/tools/dockerfile/distribtest/python_ubuntu1510_x64/Dockerfile
index 245ffb9413..9e3e0c260f 100644
--- a/tools/dockerfile/distribtest/python_ubuntu1510_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_ubuntu1510_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_ubuntu1604_x64/Dockerfile b/tools/dockerfile/distribtest/python_ubuntu1604_x64/Dockerfile
index a1ac3051ba..5098da8a26 100644
--- a/tools/dockerfile/distribtest/python_ubuntu1604_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_ubuntu1604_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_wheezy_x64/Dockerfile b/tools/dockerfile/distribtest/python_wheezy_x64/Dockerfile
index 46353b92d6..66165ee929 100644
--- a/tools/dockerfile/distribtest/python_wheezy_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_wheezy_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_centos6_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_centos6_x64/Dockerfile
index b943b67e8a..dcfc07a681 100644
--- a/tools/dockerfile/distribtest/ruby_centos6_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_centos6_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_centos7_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_centos7_x64/Dockerfile
index 85650201fb..056bd45ecc 100644
--- a/tools/dockerfile/distribtest/ruby_centos7_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_centos7_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_fedora20_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_fedora20_x64/Dockerfile
index 437337ed9a..f4151e7c4f 100644
--- a/tools/dockerfile/distribtest/ruby_fedora20_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_fedora20_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_fedora21_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_fedora21_x64/Dockerfile
index b567c5b109..78d7575a86 100644
--- a/tools/dockerfile/distribtest/ruby_fedora21_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_fedora21_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_fedora22_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_fedora22_x64/Dockerfile
index 58d3d9341a..f574c62493 100644
--- a/tools/dockerfile/distribtest/ruby_fedora22_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_fedora22_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_fedora23_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_fedora23_x64/Dockerfile
index 9f07f51e56..fe6c72aa69 100644
--- a/tools/dockerfile/distribtest/ruby_fedora23_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_fedora23_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_jessie_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_jessie_x64/Dockerfile
index cc377b7a58..57f98efcd0 100644
--- a/tools/dockerfile/distribtest/ruby_jessie_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_jessie_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_jessie_x86/Dockerfile b/tools/dockerfile/distribtest/ruby_jessie_x86/Dockerfile
index 3fe3e2bdce..938bc5edf1 100644
--- a/tools/dockerfile/distribtest/ruby_jessie_x86/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_jessie_x86/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_opensuse_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_opensuse_x64/Dockerfile
index c98d6911a3..c5b011316c 100644
--- a/tools/dockerfile/distribtest/ruby_opensuse_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_opensuse_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_ubuntu1204_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_ubuntu1204_x64/Dockerfile
index 782368bf8d..0aab241be5 100644
--- a/tools/dockerfile/distribtest/ruby_ubuntu1204_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_ubuntu1204_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_ubuntu1404_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_ubuntu1404_x64/Dockerfile
index 53fb4d5ab5..324f51e55c 100644
--- a/tools/dockerfile/distribtest/ruby_ubuntu1404_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_ubuntu1404_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_ubuntu1504_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_ubuntu1504_x64/Dockerfile
index 3225166e63..762734bcb8 100644
--- a/tools/dockerfile/distribtest/ruby_ubuntu1504_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_ubuntu1504_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_ubuntu1510_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_ubuntu1510_x64/Dockerfile
index df93360a64..3ac61a077e 100644
--- a/tools/dockerfile/distribtest/ruby_ubuntu1510_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_ubuntu1510_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_ubuntu1604_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_ubuntu1604_x64/Dockerfile
index f0c2e80ac6..40fc6bea9e 100644
--- a/tools/dockerfile/distribtest/ruby_ubuntu1604_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_ubuntu1604_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_wheezy_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_wheezy_x64/Dockerfile
index ee4e0fc5de..9ae2ee2934 100644
--- a/tools/dockerfile/distribtest/ruby_wheezy_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_wheezy_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_clang_format/Dockerfile b/tools/dockerfile/grpc_clang_format/Dockerfile
index be2ffc58cf..41239e9c23 100644
--- a/tools/dockerfile/grpc_clang_format/Dockerfile
+++ b/tools/dockerfile/grpc_clang_format/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_clang_format/clang_format_all_the_things.sh b/tools/dockerfile/grpc_clang_format/clang_format_all_the_things.sh
index a50ca17411..830d018304 100755
--- a/tools/dockerfile/grpc_clang_format/clang_format_all_the_things.sh
+++ b/tools/dockerfile/grpc_clang_format/clang_format_all_the_things.sh
@@ -1,5 +1,5 @@
#!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_csharp/Dockerfile b/tools/dockerfile/grpc_interop_csharp/Dockerfile
index c3c79487f7..3789cd3203 100644
--- a/tools/dockerfile/grpc_interop_csharp/Dockerfile
+++ b/tools/dockerfile/grpc_interop_csharp/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_csharp/build_interop.sh b/tools/dockerfile/grpc_interop_csharp/build_interop.sh
index 5ad525f41c..dc1f7a331a 100755
--- a/tools/dockerfile/grpc_interop_csharp/build_interop.sh
+++ b/tools/dockerfile/grpc_interop_csharp/build_interop.sh
@@ -1,5 +1,5 @@
#!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_cxx/Dockerfile b/tools/dockerfile/grpc_interop_cxx/Dockerfile
index 58a8c32e34..1fa1907533 100644
--- a/tools/dockerfile/grpc_interop_cxx/Dockerfile
+++ b/tools/dockerfile/grpc_interop_cxx/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_cxx/build_interop.sh b/tools/dockerfile/grpc_interop_cxx/build_interop.sh
index 903c31b3e7..1c0828d23a 100755
--- a/tools/dockerfile/grpc_interop_cxx/build_interop.sh
+++ b/tools/dockerfile/grpc_interop_cxx/build_interop.sh
@@ -1,5 +1,5 @@
#!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_go/Dockerfile b/tools/dockerfile/grpc_interop_go/Dockerfile
index f83e18c8a3..bb60f09f24 100644
--- a/tools/dockerfile/grpc_interop_go/Dockerfile
+++ b/tools/dockerfile/grpc_interop_go/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_go/build_interop.sh b/tools/dockerfile/grpc_interop_go/build_interop.sh
index 224b0040c0..e891549342 100755
--- a/tools/dockerfile/grpc_interop_go/build_interop.sh
+++ b/tools/dockerfile/grpc_interop_go/build_interop.sh
@@ -1,5 +1,5 @@
#!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_http2/Dockerfile b/tools/dockerfile/grpc_interop_http2/Dockerfile
index f83e18c8a3..bb60f09f24 100644
--- a/tools/dockerfile/grpc_interop_http2/Dockerfile
+++ b/tools/dockerfile/grpc_interop_http2/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_http2/build_interop.sh b/tools/dockerfile/grpc_interop_http2/build_interop.sh
index 5f701e34c0..46ddaf929a 100755
--- a/tools/dockerfile/grpc_interop_http2/build_interop.sh
+++ b/tools/dockerfile/grpc_interop_http2/build_interop.sh
@@ -1,5 +1,5 @@
#!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_java/Dockerfile b/tools/dockerfile/grpc_interop_java/Dockerfile
index 8bfb796c24..370657b651 100644
--- a/tools/dockerfile/grpc_interop_java/Dockerfile
+++ b/tools/dockerfile/grpc_interop_java/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_java/build_interop.sh b/tools/dockerfile/grpc_interop_java/build_interop.sh
index 9c9591abd8..9997c63308 100755
--- a/tools/dockerfile/grpc_interop_java/build_interop.sh
+++ b/tools/dockerfile/grpc_interop_java/build_interop.sh
@@ -1,5 +1,5 @@
#!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_node/Dockerfile b/tools/dockerfile/grpc_interop_node/Dockerfile
index 3f0f918ad9..db5aff844d 100644
--- a/tools/dockerfile/grpc_interop_node/Dockerfile
+++ b/tools/dockerfile/grpc_interop_node/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_node/build_interop.sh b/tools/dockerfile/grpc_interop_node/build_interop.sh
index 526dd61fdf..4d4290d0b4 100755
--- a/tools/dockerfile/grpc_interop_node/build_interop.sh
+++ b/tools/dockerfile/grpc_interop_node/build_interop.sh
@@ -1,5 +1,5 @@
#!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_php/Dockerfile b/tools/dockerfile/grpc_interop_php/Dockerfile
index 4f5b3fcb77..cf3e79176a 100644
--- a/tools/dockerfile/grpc_interop_php/Dockerfile
+++ b/tools/dockerfile/grpc_interop_php/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_php/build_interop.sh b/tools/dockerfile/grpc_interop_php/build_interop.sh
index 2bffbd8938..87262f1d62 100755
--- a/tools/dockerfile/grpc_interop_php/build_interop.sh
+++ b/tools/dockerfile/grpc_interop_php/build_interop.sh
@@ -1,5 +1,5 @@
#!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_python/Dockerfile b/tools/dockerfile/grpc_interop_python/Dockerfile
index ef4432d260..047604b1b7 100644
--- a/tools/dockerfile/grpc_interop_python/Dockerfile
+++ b/tools/dockerfile/grpc_interop_python/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_python/build_interop.sh b/tools/dockerfile/grpc_interop_python/build_interop.sh
index ed736809bc..6454a4f5e2 100755
--- a/tools/dockerfile/grpc_interop_python/build_interop.sh
+++ b/tools/dockerfile/grpc_interop_python/build_interop.sh
@@ -1,5 +1,5 @@
#!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_ruby/Dockerfile b/tools/dockerfile/grpc_interop_ruby/Dockerfile
index b3383afe79..ff201fa291 100644
--- a/tools/dockerfile/grpc_interop_ruby/Dockerfile
+++ b/tools/dockerfile/grpc_interop_ruby/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_ruby/build_interop.sh b/tools/dockerfile/grpc_interop_ruby/build_interop.sh
index 84fd4995f1..685397bac2 100755
--- a/tools/dockerfile/grpc_interop_ruby/build_interop.sh
+++ b/tools/dockerfile/grpc_interop_ruby/build_interop.sh
@@ -1,5 +1,5 @@
#!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_stress_cxx/Dockerfile b/tools/dockerfile/grpc_interop_stress_cxx/Dockerfile
index 556a26ee13..97dc5ca77d 100644
--- a/tools/dockerfile/grpc_interop_stress_cxx/Dockerfile
+++ b/tools/dockerfile/grpc_interop_stress_cxx/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_stress_cxx/build_interop_stress.sh b/tools/dockerfile/grpc_interop_stress_cxx/build_interop_stress.sh
index 470db4c13f..b67b1a1664 100755
--- a/tools/dockerfile/grpc_interop_stress_cxx/build_interop_stress.sh
+++ b/tools/dockerfile/grpc_interop_stress_cxx/build_interop_stress.sh
@@ -1,5 +1,5 @@
#!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_linuxbrew/Dockerfile b/tools/dockerfile/grpc_linuxbrew/Dockerfile
index 8c179da6c8..848489e091 100644
--- a/tools/dockerfile/grpc_linuxbrew/Dockerfile
+++ b/tools/dockerfile/grpc_linuxbrew/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/test/csharp_jessie_x64/Dockerfile b/tools/dockerfile/test/csharp_jessie_x64/Dockerfile
index 0052de6130..baab2f5638 100644
--- a/tools/dockerfile/test/csharp_jessie_x64/Dockerfile
+++ b/tools/dockerfile/test/csharp_jessie_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/test/cxx_jessie_x64/Dockerfile b/tools/dockerfile/test/cxx_jessie_x64/Dockerfile
index 6c7aece4ff..6492158929 100644
--- a/tools/dockerfile/test/cxx_jessie_x64/Dockerfile
+++ b/tools/dockerfile/test/cxx_jessie_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/test/cxx_jessie_x86/Dockerfile b/tools/dockerfile/test/cxx_jessie_x86/Dockerfile
index 9a8f2b1cca..92c9c4ce86 100644
--- a/tools/dockerfile/test/cxx_jessie_x86/Dockerfile
+++ b/tools/dockerfile/test/cxx_jessie_x86/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/test/cxx_ubuntu1404_x64/Dockerfile b/tools/dockerfile/test/cxx_ubuntu1404_x64/Dockerfile
index e8dab1b471..1e43e6b25c 100644
--- a/tools/dockerfile/test/cxx_ubuntu1404_x64/Dockerfile
+++ b/tools/dockerfile/test/cxx_ubuntu1404_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/test/cxx_ubuntu1604_x64/Dockerfile b/tools/dockerfile/test/cxx_ubuntu1604_x64/Dockerfile
index c6fe79b42c..02d3c0d9ad 100644
--- a/tools/dockerfile/test/cxx_ubuntu1604_x64/Dockerfile
+++ b/tools/dockerfile/test/cxx_ubuntu1604_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/test/fuzzer/Dockerfile b/tools/dockerfile/test/fuzzer/Dockerfile
index 7b35c009e3..6ba31114ab 100644
--- a/tools/dockerfile/test/fuzzer/Dockerfile
+++ b/tools/dockerfile/test/fuzzer/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/test/node_jessie_x64/Dockerfile b/tools/dockerfile/test/node_jessie_x64/Dockerfile
index 0655bf7179..64314f8864 100644
--- a/tools/dockerfile/test/node_jessie_x64/Dockerfile
+++ b/tools/dockerfile/test/node_jessie_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/test/php_jessie_x64/Dockerfile b/tools/dockerfile/test/php_jessie_x64/Dockerfile
index 43081e7d38..d8d27846c1 100644
--- a/tools/dockerfile/test/php_jessie_x64/Dockerfile
+++ b/tools/dockerfile/test/php_jessie_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/test/python_jessie_x64/Dockerfile b/tools/dockerfile/test/python_jessie_x64/Dockerfile
index 7ed8b4c085..071fb2c93b 100644
--- a/tools/dockerfile/test/python_jessie_x64/Dockerfile
+++ b/tools/dockerfile/test/python_jessie_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/test/ruby_jessie_x64/Dockerfile b/tools/dockerfile/test/ruby_jessie_x64/Dockerfile
index 91af772d72..df8eef5438 100644
--- a/tools/dockerfile/test/ruby_jessie_x64/Dockerfile
+++ b/tools/dockerfile/test/ruby_jessie_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/test/sanity/Dockerfile b/tools/dockerfile/test/sanity/Dockerfile
index 4a69cd8c00..57032155e3 100644
--- a/tools/dockerfile/test/sanity/Dockerfile
+++ b/tools/dockerfile/test/sanity/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without