diff --git a/upgrade-v1.x-2.x.sh b/upgrade-v1.x-2.x.sh
index 6864f85..7797525 100755
--- a/upgrade-v1.x-2.x.sh
+++ b/upgrade-v1.x-2.x.sh
@@ -16,6 +16,7 @@ function Usage {
 	echo "This script migrates $SUBPROGRAM $OLD_PROGRAM_VERSION config files to $NEW_PROGRAM_VERSION."
 	echo ""
 	echo "Usage: $0 /path/to/config_file.conf"
+	echo "Please make sure the config file is writable."
 	exit 128
 }