Final call: update image has acc name

Hey folks,
The following pull request is going into final call. These are updates
requested by the ACT Task Force. The final call is open for 1 week, closing
on July 30th. Please leave a review before then if you have any feedback.

https://github.com/act-rules/act-rules.github.io/pull/1381

-- 
*Wilco Fiers*
Axe for Web product owner - Co-facilitator WCAG-ACT - Chair ACT-R