Layered Material Parameter Tooltips

Not sure if this is the right place to post this question but here I go anyway.

I’ve been working a lot with layered materials in UE5 and at the moment I want to make my Layer parameters a bit more user-friendly so I was going to add a description for the tooltip you get when hovering over a parameter. But I can’t get this to work for layered material instances. Is this feature not yet implemented, is it broken or am I missing something? It works just fine in the usual material instances.

Here is how i add the description:

Here is the result in the Layer Parameter panel:

Any input is much appreciated. Thanks!