diff --git a/doc/generate_authors.sh b/doc/generate_authors.sh
index b93e920..bd770e7 100755
--- a/doc/generate_authors.sh
+++ b/doc/generate_authors.sh
@@ -7,6 +7,11 @@ TEMPAUTHORSFILE="/tmp/python-escpos-authorsfile"
 if [ "$#" -eq 1 ]
     then
         echo "$GENLIST">$TEMPAUTHORSFILE
+	echo "\nAuthorsfile in version control:\n"
+	cat $AUTHORSFILE
+	echo "\nNew authorsfile:\n"
+	cat $TEMPAUTHORSFILE
+	echo "\nUsing diff on files...\n"
         diff -q --from-file $AUTHORSFILE $TEMPAUTHORSFILE
     else
 	echo "$GENLIST">$AUTHORSFILE