1 files changed, 2 insertions, 2 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/syntax/SkylarkSignature.java b/src/main/java/com/google/devtools/build/lib/syntax/SkylarkSignature.java
index 1bd34a9ded..0772c42cdd 100644
--- a/src/main/java/com/google/devtools/build/lib/syntax/SkylarkSignature.java
+++ b/src/main/java/com/google/devtools/build/lib/syntax/SkylarkSignature.java
@@ -32,7 +32,7 @@ public @interface SkylarkSignature {
 
   String name();
 
-  String doc();
+  String doc() default "";
 
   Param[] mandatoryPositionals() default {};
 
@@ -71,7 +71,7 @@ public @interface SkylarkSignature {
 
     String name();
 
-    String doc();
+    String doc() default "";
 
     String defaultValue() default "";