diff --git a/build/TestCommon.props b/build/TestCommon.props
index fc25d230d0..4e1b3add13 100644
--- a/build/TestCommon.props
+++ b/build/TestCommon.props
@@ -14,6 +14,7 @@
     </PackageReference>
     <!-- Usage: Hard to say what exactly this is for, but not including it removes the test icon and breaks vstest.console.exe for some reason -->
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.0" />
+    <!-- Usage: Dependency mocking for tests -->
     <!-- Pinned: Moq is OVER https://github.com/moq/moq/issues/1372 -->
     <PackageReference Include="Moq" Version="4.20.2" />
     <!-- Usage: MSTest execution -->