diff --git a/scripts/ct.sh b/scripts/ct.sh
index 866ea4e..84f8f0b 100755
--- a/scripts/ct.sh
+++ b/scripts/ct.sh
@@ -31,7 +31,7 @@ fi
 
 this_file_name=`basename "$0"`
 if [ $# -lt 1 ]; then
-    echo "usage: '$this_file_name { d/dots | d+/dots+ | uf / upd-full [host]? | s/sw/software {update/install/search/orphans/uninstall} [host]? | us / upd-self | yay }'"
+    echo "usage: '$this_file_name { d/dots | d+/dots+ | uf / upd-full [host]? | services | s/sw/software {update/install/search/orphans/uninstall} [host]? | us / upd-self | yay }'"
     exit 1
 fi