systemctl: document argv[] array

diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c
index c411873..355e842 100644 (file)
--- a/src/systemctl/systemctl.c
+++ b/src/systemctl/systemctl.c
@@ -6350,9 +6350,9 @@ static int enable_sysv_units(const char *verb, char **args) {
 
                 const char *argv[] = {
                         ROOTLIBEXECDIR "/systemd-sysv-install",
-                        NULL,
-                        NULL,
-                        NULL,
+                        NULL, /* --root= */
+                        NULL, /* verb */
+                        NULL, /* service */
                         NULL,
                 };