Update json (#4432)

frontend/public/json/pingvin.json

@@ -31,5 +31,10 @@
     "username": null,
     "password": null
   },
-  "notes": []
+  "notes": [
+    {
+      "text": "Run `DATA_DIRECTORY=path-to-your-data-directory pm2 restart all --update-env` to update path to your data directory or to update environment variables.",
+      "type": "info"
+    },
+  ]
 }