diff --git a/docs/extensibility/snippets/InteractionService/AppHost.MessageBoxExample.cs b/docs/extensibility/snippets/InteractionService/AppHost.MessageBoxExample.cs
index 3d0eaff02e..e95a1200e3 100644
--- a/docs/extensibility/snippets/InteractionService/AppHost.MessageBoxExample.cs
+++ b/docs/extensibility/snippets/InteractionService/AppHost.MessageBoxExample.cs
@@ -35,7 +35,7 @@ public static async Task<ExecuteCommandResult> ShowMessageBoxExample(ExecuteComm
 
         if (result.Canceled)
         {
-            return CommandResults.Failure("User cancalled.");
+            return CommandResults.Failure("User cancelled.");
         }
 
         return result.Data