What an edit request IS for: requesting straight-forward changes like grammar, spelling, formatting requesting more substantive changes, if they are justified with reference to reliable sources, and not the subject of ongoing discussion
When submitting your request
Please provide a specific description of the edit request
Please don't copy the entire article into the request. Only copy the part you're changing.
If you have a user account, log in first. If you do not yet have an account, you may create one (this is free and requires no personal information); after a while and some edits, you will be able to edit semi-protected pages. You might also be interested in the Wikipedia:Tutorial.