diff --git a/README.md b/README.md
index 101822e..3eac399 100644
--- a/README.md
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@@ -6,3 +6,6 @@ Sample repo for showing how to use GitHub Actions for a .NET Framework app.
 Blog post: https://timheuer.com/blog/building-net-framework-apps-using-github-actions/
 
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+<!-- Test PR: this line was added solely to validate the PR workflow. Safe to ignore/revert. -->