diff --git a/src/compiler/diagnosticInformationMap.generated.ts b/src/compiler/diagnosticInformationMap.generated.ts
index 6e956889b49..0271ac73105 100644
--- a/src/compiler/diagnosticInformationMap.generated.ts
+++ b/src/compiler/diagnosticInformationMap.generated.ts
@@ -1,5 +1,6 @@
 // <auto-generated />
 /// <reference path="types.ts" />
+/* @internal */
 module ts {
     export var Diagnostics = {
         Unterminated_string_literal: { code: 1002, category: DiagnosticCategory.Error, key: "Unterminated string literal." },