Fix change note

egregius313 · egregius313 · commit 129388c78af3 · 2024-12-13T12:48:01.000-05:00
diff --git a/csharp/ql/lib/change-notes/2024-12-12-add-markupstring-as-html-injection-sink.md b/csharp/ql/lib/change-notes/2024-12-12-add-markupstring-as-html-injection-sink.md
@@ -1,4 +1,4 @@
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 category: minorAnalysis
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-* Added the constructor of `Microsoft.AspNetCore.Components.MarkupString` as an `html-injection` sink. This will help catch cross-site scripting resulting from using `MarkupString`. 
+* Added the constructor and explicit cast operator of `Microsoft.AspNetCore.Components.MarkupString` as an `html-injection` sink. This will help catch cross-site scripting resulting from using `MarkupString`. 
