diff --git a/admin/make-changelog-diff b/admin/make-changelog-diff
index 7d98d22ddf9..5ab468c8f5d 100755
--- a/admin/make-changelog-diff
+++ b/admin/make-changelog-diff
@@ -1,5 +1,7 @@
 #! /bin/bash
 
+## Author: Francesco Potorti` <pot@gnu.org>
+
 if [ $# -ne 2 ]; then
     echo "usage: $0 TAG1 TAG2" >&2
     exit 1