Update CHANGELOG.md

Author: shati-patel

extensions/ql-vscode/CHANGELOG.md

@@ -2,7 +2,7 @@
 
 ## 1.2.1
 
-- Better formatting and autoindentation when adding qldoc comments to `.ql` and `.qll` files.
+- Better formatting and autoindentation when adding QLDoc comments to `.ql` and `.qll` files.
 - Allow for more flexibility when opening a database in the workspace. A user can now choose the actual database folder, or the nested `db-*` folder.
 
 ## 1.2.0 - 19 May 2020