1 files changed, 29 insertions, 11 deletions
diff --git a/src/google/protobuf/wrappers.proto b/src/google/protobuf/wrappers.proto
index a13e6edb..f313a8a8 100644
--- a/src/google/protobuf/wrappers.proto
+++ b/src/google/protobuf/wrappers.proto
@@ -37,62 +37,80 @@ syntax = "proto3";
 
 package google.protobuf;
 
+option csharp_namespace = "Google.ProtocolBuffers";
+option java_generate_equals_and_hash = true;
 option java_multiple_files = true;
 option java_outer_classname = "WrappersProto";
 option java_package = "com.google.protobuf";
-option csharp_namespace = "Google.ProtocolBuffers";
 option objc_class_prefix = "GPB";
 
-
-// Wrapper message for double.
+// Wrapper message for `double`.
+//
+// The JSON representation for `DoubleValue` is JSON number.
 message DoubleValue {
   // The double value.
   double value = 1;
 }
 
-// Wrapper message for float.
+// Wrapper message for `float`.
+//
+// The JSON representation for `FloatValue` is JSON number.
 message FloatValue {
   // The float value.
   float value = 1;
 }
 
-// Wrapper message for int64.
+// Wrapper message for `int64`.
+//
+// The JSON representation for `Int64Value` is JSON string.
 message Int64Value {
   // The int64 value.
   int64 value = 1;
 }
 
-// Wrapper message for uint64.
+// Wrapper message for `uint64`.
+//
+// The JSON representation for `UInt64Value` is JSON string.
 message UInt64Value {
   // The uint64 value.
   uint64 value = 1;
 }
 
-// Wrapper message for int32.
+// Wrapper message for `int32`.
+//
+// The JSON representation for `Int32Value` is JSON number.
 message Int32Value {
   // The int32 value.
   int32 value = 1;
 }
 
-// Wrapper message for uint32.
+// Wrapper message for `uint32`.
+//
+// The JSON representation for `UInt32Value` is JSON number.
 message UInt32Value {
   // The uint32 value.
   uint32 value = 1;
 }
 
-// Wrapper message for bool.
+// Wrapper message for `bool`.
+//
+// The JSON representation for `BoolValue` is JSON `true` and `false`.
 message BoolValue {
   // The bool value.
   bool value = 1;
 }
 
-// Wrapper message for string.
+// Wrapper message for `string`.
+//
+// The JSON representation for `StringValue` is JSON string.
 message StringValue {
   // The string value.
   string value = 1;
 }
 
-// Wrapper message for bytes.
+// Wrapper message for `bytes`.
+//
+// The JSON representation for `BytesValue` is JSON string.
 message BytesValue {
   // The bytes value.
   bytes value = 1;