diff --git a/eng/SourceBuild.props b/eng/SourceBuild.props
index ee261d27192..360098b8fbd 100644
--- a/eng/SourceBuild.props
+++ b/eng/SourceBuild.props
@@ -1,3 +1,5 @@
+<!-- Whenever altering this or other Source Build files, please include @dotnet/source-build-internal as a reviewer. -->
+
 <Project>
 
   <PropertyGroup>
diff --git a/eng/SourceBuildPrebuiltBaseline.xml b/eng/SourceBuildPrebuiltBaseline.xml
index 63436170022..fda2039485d 100644
--- a/eng/SourceBuildPrebuiltBaseline.xml
+++ b/eng/SourceBuildPrebuiltBaseline.xml
@@ -1,3 +1,6 @@
+<!-- Whenever altering this or other Source Build files, please include @dotnet/source-build-internal as a reviewer. -->
+<!-- See aka.ms/dotnet/prebuilts for guidance on what pre-builts are and how to eliminate them. -->
+
 <UsageData>
   <IgnorePatterns>
     <UsagePattern IdentityGlob="Microsoft.SourceBuild.Intermediate.*/*" />
diff --git a/src/Microsoft.DotNet.SourceBuild/tasks/src/UsageReport/ValidateUsageAgainstBaseline.cs b/src/Microsoft.DotNet.SourceBuild/tasks/src/UsageReport/ValidateUsageAgainstBaseline.cs
index 43f5bd63068..a6b7e982ba8 100644
--- a/src/Microsoft.DotNet.SourceBuild/tasks/src/UsageReport/ValidateUsageAgainstBaseline.cs
+++ b/src/Microsoft.DotNet.SourceBuild/tasks/src/UsageReport/ValidateUsageAgainstBaseline.cs
@@ -42,7 +42,7 @@ public class ValidateUsageAgainstBaseline : Microsoft.Build.Utilities.Task
             "for guidance on what pre-builts are and how to eliminate them.";
 
         private readonly string _reviewRequestMessage = "Whenever altering this " +
-            "or other Source Build files, please make sure to include @dotnet/source-build-internal " +
+            "or other Source Build files, please include @dotnet/source-build-internal " +
             "as a reviewer.";
 
         public override bool Execute()
@@ -61,10 +61,10 @@ public override bool Execute()
             UsageValidationData data = GetUsageValidationData(baseline, used);
 
             Directory.CreateDirectory(Path.GetDirectoryName(OutputBaselineFile));
-            File.WriteAllText(OutputBaselineFile, ReviewRequestComment + PreBuiltDocXmlComment + data.ActualUsageData.ToXml().ToString());
+            File.WriteAllText(OutputBaselineFile, ReviewRequestComment + PreBuiltDocXmlComment + Environment.NewLine + data.ActualUsageData.ToXml().ToString());
 
             Directory.CreateDirectory(Path.GetDirectoryName(OutputReportFile));
-            File.WriteAllText(OutputReportFile, PreBuiltDocXmlComment + data.Report.ToString());
+            File.WriteAllText(OutputReportFile, PreBuiltDocXmlComment + Environment.NewLine + data.Report.ToString());
 
             return !Log.HasLoggedErrors;
         }