Update CHANGELOG.md (#2648)

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CHANGELOG.md

@@ -25,7 +25,8 @@ Do not break established syntax in this file, as it is automatically updated by
 
   #### 🐞 Bug Fixes
 
-  - Alpine IT-Tools fix typo "unexpected EOF while looking for matching `"' [@MickLesk](https://github.com/MickLesk) ([#2644](https://github.com/community-scripts/ProxmoxVE/pull/2644))
+  - PiHole: Fix Unbound sed for DNS [@MickLesk](https://github.com/MickLesk) ([#2647](https://github.com/community-scripts/ProxmoxVE/pull/2647))
+    - Alpine IT-Tools fix typo "unexpected EOF while looking for matching `"' [@MickLesk](https://github.com/MickLesk) ([#2644](https://github.com/community-scripts/ProxmoxVE/pull/2644))
 
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