diff --git a/README.md b/README.md
index 9f238f1..9e81866 100644
--- a/README.md
+++ b/README.md
@@ -104,6 +104,6 @@ internal sealed class ToolbarFooSettings : IToolbarSettings
 
 If you need to refresh a control, due to changes in settings. Then invoke:
 
-```
+```csharp
 MainToolbar.Refresh("Toolbar/Time Scale");
 ```
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