Updated release note.

Author: bia-pain-bache

RELEASE.md

@@ -3,7 +3,7 @@
 Starting from version 1.12.0 sing-box added tls fragment to its core. Panel is now providing fragment sub for sing-box, however, please note that fragment settings in panel are not affecting sing-box config because it only has 1 mod available and is not flexible. It works by the way.
 
 > [!WARNING]
-> Please use [1.12.0-beta.28](https://github.com/SagerNet/sing-box/releases/tag/v1.12.0-beta.28) or higher versions of sing-box.`
+> Please use [1.12.0-beta.28](https://github.com/SagerNet/sing-box/releases/tag/v1.12.0-beta.28) or higher versions of sing-box.
 
 ## ⚙️ Bug fixes and Improvements