I will edit your professional document and provide feedback

I am a [filtered] on sabattical (supposed to be!) ... this is a long time to be away from work. I know, I'm a nerd. Tell me what I can do for you and I will handle it, assuming it is reasonable. Please be advised that by indicating that I am of the [blank] profession, this does not constitute an offer of [blank] services. This is merely to provide background for you to evaluate my offer .... No advice will be provided. This will be strictly an editing and feedback service on the grammar, tone, construction, and the like. To the extent your matter involves l. "issues", it may be necessary to refuse the assignment. Should any assignment require encroach into the provision of such l. issues , no substantive content will be discussed.