Update docs/content/reference/limitations.md

Co-authored-by: Aaron Crawfis <[email protected]>

docs/content/reference/limitations.md

@@ -26,7 +26,7 @@ This will be addressed further in a future release.
 
 A Radius environment allows you to specify Kubernetes as your compute platform, as well as specify the Kubernetes namespace in which Kubernetes objects are deployed. Additionally, you can override the namespace for a specific application using the [kubernetesNamespace extension.]({{< ref "application-schema#kubernetesNamespace" >}}). Currently, changing the namespace of an environment or application requires the application to be deleted and redeployed. If you need to change the namespace of an application, you can do so by deleting the application and/or environment and redeploying it with the new namespace.
 
-### Cannot use underscores in resource names
+### Resource names cannot contain underscores (_)
 
 Using an underscore in a resource name will result in an error.