diff --git a/docs/demos/exploring-pull-requests.md b/docs/demos/exploring-pull-requests.md
index 2ed5ab7cf3..231cfe929b 100644
--- a/docs/demos/exploring-pull-requests.md
+++ b/docs/demos/exploring-pull-requests.md
@@ -6,7 +6,7 @@ the descriptions what the changes actually represent.
 file (most popular at the top). This then gives me a list of pull requests that I
 can review as a group.
 
-```
+```csharp
 using System;
 using System.Collections.Generic;
 using System.Linq;