Add a context menu for editing annotations

I want to edit an annotation of a sequence but don't know how to do it. I found the instructions in Page 72 of the UGENE USER MANUAL. It says,

> If the document is not locked, it is possible to edit an annotation or an annotation group using the F2 key. The
> result of pressing the key for an annotation:

It's so confusing. I think it would be better to add a context menu for editing annotations. The key "F2" is too difficult for users to remember it!