diff --git a/src/compiler/builderState.ts b/src/compiler/builderState.ts
index b8bf5a90237..54c3cec3b72 100644
--- a/src/compiler/builderState.ts
+++ b/src/compiler/builderState.ts
@@ -12,7 +12,7 @@ namespace ts {
     }
 }
 
-/* @internal */
+/*@internal*/
 namespace ts {
     export function getFileEmitOutput(program: Program, sourceFile: SourceFile, emitOnlyDtsFiles: boolean,
         cancellationToken?: CancellationToken, customTransformers?: CustomTransformers): EmitOutput {
@@ -80,7 +80,7 @@ namespace ts {
     }
 }
 
-/* @internal */
+/*@internal*/
 namespace ts.BuilderState {
     /**
      * Information about the source file: Its version and optional signature from last emit