diff --git a/data/actionsmap/yunohost.yml b/data/actionsmap/yunohost.yml
index 0cc1dc18b..b2f5a349b 100644
--- a/data/actionsmap/yunohost.yml
+++ b/data/actionsmap/yunohost.yml
@@ -673,7 +673,7 @@ app:
             api: DELETE /apps/<app>
             arguments:
                 app:
-                    help: App(s) to delete
+                    help: App to delete
 
         ### app_upgrade()
         upgrade: