You never need to ask (emphasise you and/or never as you see fit). I doubt you even need to credit, but I’m always happy if you want to mention my name.
💡 The 100-worder currently at the top of my Draft stack includes a Thanks to you. It’s been there since about the time you were writing your plea…👻😲 [Terpsichore, can you keep the noise down please? There are people here trying to think!] Until I remembered that, I was going to add “If you’d like suggestions urgently for any further flavourings, feel free to ask.” I’ll put it out tomorrow and you’ll see why that might not be a good idea. Not quite the reason you’d guess. I think.