diff --git a/borg.backup.functions.init.sh b/borg.backup.functions.init.sh
index 64f6430..4467acf 100644
--- a/borg.backup.functions.init.sh
+++ b/borg.backup.functions.init.sh
@@ -155,7 +155,7 @@ SUB_CHECK_INTERVAL="";
 # backup set names
 BACKUP_SET="";
 SUB_BACKUP_SET="";
-# for database backup only
+# for postgresql database backup only
 DATABASE_FULL_DUMP="";
 DATABASE_USER="";
 DATABASE_USE_SUDO="";