fix

resource/locales/en_US/translation.json

@@ -296,7 +296,6 @@
       "moved_period": ".",
       "redirected": "You are redirected from",
       "redirected_period": ".",
-      "redirect_period": ".",
       "duplicated": "This page was duplicated from",
       "duplicated_period": ".",
       "unlinked": "Redirect pages to this page have been deleted.",