diff --git a/docs/csharp/language-reference/keywords/where-generic-type-constraint.md b/docs/csharp/language-reference/keywords/where-generic-type-constraint.md
index e89384099787b..1a2eaf26d282c 100644
--- a/docs/csharp/language-reference/keywords/where-generic-type-constraint.md
+++ b/docs/csharp/language-reference/keywords/where-generic-type-constraint.md
@@ -8,6 +8,7 @@ f1_keywords:
   - "whereconstraint_CSharpKeyword"
   - "classconstraint_CSharpKeyword"
   - "structconstraint_CSharpKeyword"
+  - "enumconstraint_CSharpKeyword"
 helpviewer_keywords:
   - "where (generic type constraint) [C#]"
 ---