Update CHANGELOG.md

Author: vaseknemecek

CHANGELOG.md

@@ -1,7 +1,7 @@
 ## [1.1.0] 2019-12-16
 
-- Adding [HLASM Language Support](https://github.com/BroadcomMFD/code4z/issues)  and [Debugger for Mainframe](https://marketplace.visualstudio.com/items?itemName=broadcomMFD.debugger-for-mainframeextensions) extensions to Code4z package
+- Adding [HLASM Language Support](https://marketplace.visualstudio.com/items?itemName=broadcomMFD.hlasm-language-support)  and [Debugger for Mainframe](https://marketplace.visualstudio.com/items?itemName=broadcomMFD.debugger-for-mainframeextensions) extensions to Code4z package
 
 ## [1.0.0] 2019-11-08
 
-- Initial release
+- Initial release