add missing comment

diff --git a/ext/dba/dba.c b/ext/dba/dba.c
index a229b8195cee26f30209bbd40a476498caf4a88d..1f2badd30823d6e636f283e93d17c1ede11c7c17 100644 (file)
--- a/ext/dba/dba.c
+++ b/ext/dba/dba.c
@@ -421,6 +421,7 @@ static void php_dba_open(INTERNAL_FUNCTION_PARAMETERS, int persistent)
         *
         * d: force lock on database file
         * l: force lock on lck file
+        * -: ignore locking
         *
         * t: test open database, warning if locked
         */