Update app-examples.mdx

Author: D-Shestak

docs/v3/guidelines/dapps/tma/tutorials/app-examples.mdx

@@ -314,6 +314,6 @@ Setup a bot
 
 When using a self-signed SSL certificate, you may see security warnings.
 
-**Fix:** Click **Advanced** and then **Proceed to <local dev server address>** to continue debugging in the web version of Telegram.
+**Fix:** Click **Advanced** and then **Proceed to `<local dev server address>`** to continue debugging in the web version of Telegram.
 
 ![Screenshot 2023-09-11 at 18.58.24.png](/img/docs/telegram-apps/modern-2.png)