diff --git a/docs/csharp/language-reference/tokens/index.md b/docs/csharp/language-reference/tokens/index.md
index 005da01df1c7a..4add7868643a7 100644
--- a/docs/csharp/language-reference/tokens/index.md
+++ b/docs/csharp/language-reference/tokens/index.md
@@ -3,6 +3,7 @@ title: "Special Characters - C# Reference"
 ms.date: 02/14/2017
 f1_keywords: 
   - "cs.special characters"
+  - "@$_CSharpKeyword"
 helpviewer_keywords: 
   - "special characters [C#]"
   - "C# language, special characters"