> It took 18 hours of work.

So a couple of days plus a few hours. Seems reasonable.

> Where I had control, I made changes. Unnecessary labels removed. Accurate alt text added — not filed-in-for-compliance alt text, actually descriptive alt text. The heading structure was cleaned up where I could reach it. For this project's SharePoint tracking page, I rerouted entirely: instead of asking users to fight through the noise, the system now sends an email update at every stage of the approval.

seems to be the only bit of text that actually details anything that was done. I would liked to have read about the actual changes and steps taken to improve accessibility instead of some kind of low key rant about MS