diff --git a/db_backup.sh b/db_backup.sh
index 55c7b94..af1bd55 100644
--- a/db_backup.sh
+++ b/db_backup.sh
@@ -1 +1,3 @@
+#! /bin/bash
+# Backup database
 mysqldump -utestuser  -pT38tU83r69 testposts > test_posts_backup.sql