Update articles/container-apps/aspire-dashboard.md

Co-authored-by: Craig Shoemaker <[email protected]>

Author: curib

articles/container-apps/aspire-dashboard.md

@@ -92,7 +92,7 @@ azd up
 The `up` command returns the dashboard URL that you can open in a browser.
 
 >[!NOTE]
-> Custom domains aren't supported for accessing the Aspire Dashboard. You must use the default domain name provided by Azure Container Apps, such as: `https://<dotnet-component-name>.ext.<cluster-name>.<region>.azurecontainerapps.io`
+> Custom domains aren't supported for accessing the Aspire Dashboard. You must use the default domain name provided by Azure Container Apps, such as: `https://<DOTNET_COMPONENT_NAME>.ext.<CLUSTER_NAME>.<REGION>.azurecontainerapps.io`
 
 ::: zone-end