fix translation

resource/locales/en-US/translation.json

@@ -720,7 +720,7 @@
     "no_pages": "There are no pages the group has view permission",
     "how_to_add1": "Enter a username to add",
     "how_to_add2": "Select a user from user list",
-    "remove_from_group": "Remove this group"
+    "remove_from_group": "Remove this user"
   },
 
   "importer_management": {