**As** a User
**I want to** add and edit comments to status changes, logged under activities
**so that** users can deliver details to the "WhatsThisChangeAbout"

**Acceptance criteria**

* add/edit comment button, i.e. below the Begin of the deletion activitiy numbering



<figure class="image op-uc-figure"><div class="op-uc-figure--content"><img class="op-uc-image"></div></figure>

* loggedEnd of the deletion activity Begin of the insertionnumberingEnd of the insertion Begin of the deletion change stays unchangable at any timeEnd of the deletion