diff --git a/content/copilot/how-tos/copilot-sdk/features/custom-agents.md b/content/copilot/how-tos/copilot-sdk/features/custom-agents.md
index d93076614715..b14c471ab3ed 100644
--- a/content/copilot/how-tos/copilot-sdk/features/custom-agents.md
+++ b/content/copilot/how-tos/copilot-sdk/features/custom-agents.md
@@ -840,7 +840,7 @@ session, err := client.CreateSession(ctx, &copilot.SessionConfig{
 ```
 
 {% endcodetab %}
-{% codetab csharp %}
+{% codetab dotnet %}
 
 <!-- docs-validate: skip -->