diff --git a/images/echo/Makefile b/images/echo/Makefile
index 500704e81..0ab1c945f 100644
--- a/images/echo/Makefile
+++ b/images/echo/Makefile
@@ -4,7 +4,7 @@
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
 #
-#     http://www.apache.org/licenses/LICENSE-2.0
+#      http://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,