update docs

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@14144 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/applications/mod_commands/mod_commands.c

@@ -1900,7 +1900,7 @@ SWITCH_STANDARD_API(sched_broadcast_function)
 	return SWITCH_STATUS_SUCCESS;
 }
 
-#define HOLD_SYNTAX "<uuid> [<display>]"
+#define HOLD_SYNTAX "[off] <uuid> [<display>]"
 SWITCH_STANDARD_API(uuid_hold_function)
 {
 	char *mycmd = NULL, *argv[4] = { 0 };