diff --git a/src/Microsoft.Content.Build.Code2Yaml.Constants/Constants.cs b/src/Microsoft.Content.Build.Code2Yaml.Constants/Constants.cs
index f30fa53..7f68634 100644
--- a/src/Microsoft.Content.Build.Code2Yaml.Constants/Constants.cs
+++ b/src/Microsoft.Content.Build.Code2Yaml.Constants/Constants.cs
@@ -31,6 +31,13 @@ public static class Constants
         public const string CmdArgLanguage = "lang:";
         public const string Dot = ".";
 
+        public static class YamlMime
+        {
+            public const string YamlMimePrefix = "### YamlMime:";
+            public const string ManagedReference = YamlMimePrefix + "ManagedReference";
+            public const string TableOfContent = YamlMimePrefix + "TableOfContent";
+        }
+
         public static class Doxyfile
         {
             public const string INPUT = "INPUT";
diff --git a/src/Microsoft.Content.Build.Code2Yaml.Steps/GenerateArticles.cs b/src/Microsoft.Content.Build.Code2Yaml.Steps/GenerateArticles.cs
index ee129da..c6e48e8 100644
--- a/src/Microsoft.Content.Build.Code2Yaml.Steps/GenerateArticles.cs
+++ b/src/Microsoft.Content.Build.Code2Yaml.Steps/GenerateArticles.cs
@@ -116,6 +116,7 @@ await pages.ForEachInParallelAsync(
                     }
                     using (var writer = new StreamWriter(Path.Combine(outputPath, page.Items[0].Href)))
                     {
+                        writer.WriteLine(Constants.YamlMime.ManagedReference);
                         YamlSerializer.Value.Serialize(writer, page);
                     }
                 });
diff --git a/src/Microsoft.Content.Build.Code2Yaml.Steps/GenerateToc.cs b/src/Microsoft.Content.Build.Code2Yaml.Steps/GenerateToc.cs
index d294c40..339d13e 100644
--- a/src/Microsoft.Content.Build.Code2Yaml.Steps/GenerateToc.cs
+++ b/src/Microsoft.Content.Build.Code2Yaml.Steps/GenerateToc.cs
@@ -47,6 +47,7 @@ orderby toc.Name.ToLower()
             string tocFile = Path.Combine(outputPath, Constants.TocYamlFileName);
             using (var writer = new StreamWriter(tocFile))
             {
+                writer.WriteLine(Constants.YamlMime.TableOfContent);
                 new YamlSerializer().Serialize(writer, tocYaml);
             }
 
diff --git a/src/code2yaml/Program.cs b/src/code2yaml/Program.cs
index 1d54349..3204f95 100644
--- a/src/code2yaml/Program.cs
+++ b/src/code2yaml/Program.cs
@@ -34,9 +34,7 @@ static int Main(string[] args)
                     new List<IStep>
                     {
                         new GenerateToc { NameGenerator = NameGeneratorFactory.Create(_config.Language) },
-                        new StepCollection(
-                            new GenerateArticles { Generator = ArticleGeneratorFactory.Create(_config.Language) },
-                            new GenerateServiceMappingFile()),
+                        new GenerateArticles { Generator = ArticleGeneratorFactory.Create(_config.Language) },
                     }));
             var status = 1;
             var watch = Stopwatch.StartNew();