diff --git a/include/grpc++/ext/reflection.grpc.pb.h b/include/grpc++/ext/reflection.grpc.pb.h
index 064117e30305251ebd6003308aa28be1d97d3465..f95ffd6a35bf7d3a638b99893033579a7b76eafa 100644
--- a/include/grpc++/ext/reflection.grpc.pb.h
+++ b/include/grpc++/ext/reflection.grpc.pb.h
@@ -32,7 +32,7 @@
  */
 
 
-// Generated by the gRPC protobuf plugin.
+// Generated by tools/codegen/extensions/gen_refelction_proto.sh
 // If you make any local change, they will be lost.
 // source: reflection.proto
 // Original file comments:
diff --git a/include/grpc++/ext/reflection.pb.h b/include/grpc++/ext/reflection.pb.h
index bdb86197d036f2702181c79edbe3cf6a9386c324..5821b0d5ae8d01940d948aee7f1161ea5016d08b 100644
--- a/include/grpc++/ext/reflection.pb.h
+++ b/include/grpc++/ext/reflection.pb.h
@@ -32,7 +32,7 @@
  */
 
 
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// Generated by tools/codegen/extensions/gen_refelction_proto.sh
 // source: reflection.proto
 
 #ifndef PROTOBUF_reflection_2eproto__INCLUDED
diff --git a/src/cpp/ext/reflection.grpc.pb.cc b/src/cpp/ext/reflection.grpc.pb.cc
index b046dfc1b8bf4ca6794bcfb2fe46ce3cec86ee7d..b107b29b4ac6ffd02f84ba008a48dc44b62c5a13 100644
--- a/src/cpp/ext/reflection.grpc.pb.cc
+++ b/src/cpp/ext/reflection.grpc.pb.cc
@@ -32,7 +32,7 @@
  */
 
 
-// Generated by the gRPC protobuf plugin.
+// Generated by tools/codegen/extensions/gen_refelction_proto.sh
 // If you make any local change, they will be lost.
 // source: reflection.proto
 
diff --git a/src/cpp/ext/reflection.pb.cc b/src/cpp/ext/reflection.pb.cc
index a84494f9a98ed58860c21b80329845cbc25f57ec..a27cb275bec97db6b1b76c919a618727bd9b2cb4 100644
--- a/src/cpp/ext/reflection.pb.cc
+++ b/src/cpp/ext/reflection.pb.cc
@@ -32,7 +32,7 @@
  */
 
 
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// Generated by tools/codegen/extensions/gen_refelction_proto.sh
 // source: reflection.proto
 
 #define INTERNAL_SUPPRESS_PROTOBUF_FIELD_DEPRECATION
diff --git a/tools/codegen/extensions/gen_reflection_proto.sh b/tools/codegen/extensions/gen_reflection_proto.sh
index bd8aac6a7b15b4689c06e2cc0d2100ab22a6b8f1..d55272803f50372ab2ae4c238039b271771802a1 100755
--- a/tools/codegen/extensions/gen_reflection_proto.sh
+++ b/tools/codegen/extensions/gen_reflection_proto.sh
@@ -56,6 +56,9 @@ sed -i "s/\"${PROTO_FILE}.pb.h\"/<${INCLUDE_DIR/\//\\\/}\/${PROTO_FILE}.pb.h>/g"
 sed -i "s/\"${PROTO_FILE}.pb.h\"/<${INCLUDE_DIR/\//\\\/}\/${PROTO_FILE}.pb.h>/g" ${TMP_DIR}/${PROTO_FILE}.grpc.pb.cc
 sed -i "s/\"${PROTO_FILE}.grpc.pb.h\"/<${INCLUDE_DIR/\//\\\/}\/${PROTO_FILE}.grpc.pb.h>/g" ${TMP_DIR}/${PROTO_FILE}.grpc.pb.cc
 
+sed -i "1s/.*/\/\/ Generated by tools\/codegen\/extensions\/gen_refelction_proto.sh/g" ${TMP_DIR}/*.pb.h
+sed -i "1s/.*/\/\/ Generated by tools\/codegen\/extensions\/gen_refelction_proto.sh/g" ${TMP_DIR}/*.pb.cc
+
 /bin/cp LICENSE ${TMP_DIR}/TMP_LICENSE
 sed -i -e "s/./ &/" -e "s/.*/ \*&/" ${TMP_DIR}/TMP_LICENSE
 sed -i -r "\$a\ *\n *\/\n\n"  ${TMP_DIR}/TMP_LICENSE