diff --git a/src/mod/applications/mod_commands/mod_commands.c b/src/mod/applications/mod_commands/mod_commands.c
index 9c2b70dbff..26a94dba40 100644
--- a/src/mod/applications/mod_commands/mod_commands.c
+++ b/src/mod/applications/mod_commands/mod_commands.c
@@ -562,7 +562,7 @@ SWITCH_STANDARD_API(status_function)
 	return SWITCH_STATUS_SUCCESS;
 }
 
-#define CTL_SYNTAX "[hupall|pause|resume|shutdown|reclaim_mem|max_sessions [num]|loglevel [level]]"
+#define CTL_SYNTAX "[hupall|pause|resume|shutdown|sync_clock|reclaim_mem|max_sessions [num]|loglevel [level]]"
 SWITCH_STANDARD_API(ctl_function)
 {
 	int argc;