diff --git a/include/clang/AST/OperationKinds.h b/include/clang/AST/OperationKinds.h
index 8045311929..8b01490160 100644
--- a/include/clang/AST/OperationKinds.h
+++ b/include/clang/AST/OperationKinds.h
@@ -54,7 +54,7 @@ enum CastKind {
   /// CK_ArrayToPointerDecay - Array to pointer decay.
   CK_ArrayToPointerDecay,
 
-  // CK_FunctionToPointerDecay - Function to pointer decay.
+  /// CK_FunctionToPointerDecay - Function to pointer decay.
   CK_FunctionToPointerDecay,
 
   /// CK_NullToMemberPointer - Null pointer to member pointer.