diff --git a/src/SourceBuild/content/NuGet.config b/src/SourceBuild/content/NuGet.config
index 9b0bcb3ef..8ce541b9a 100644
--- a/src/SourceBuild/content/NuGet.config
+++ b/src/SourceBuild/content/NuGet.config
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
-    This empty NuGet.config at the root of the repo ensures that a global/default one
-    (referencing nuget.org) is not used by accident.
-    The individual repo NuGet.config files are utilized during the build.
+    This root NuGet.config ensures that a global/default one is not used by accident.
+    The individual repo NuGet.config files are utilized during the actual build.
+    This one is used by the smoke tests to restore packages such as xunit.
 -->
 <configuration>
   <packageSources>