Minor update to en.json (#7464)

* Update en.json

* Update en.json

* Update en.json

i18n/en.json

@@ -2725,7 +2725,7 @@
   },
   {
     "id": "api.user.send_user_access_token.error",
-    "translation": "Failed to send personal access token added email successfully"
+    "translation": "Failed to send \"Personal access token added\" email successfully"
   },
   {
     "id": "api.user.send_verify_email_and_forget.failed.error",