<2k users have to justify their edits to the review queue. Once you cross that and earn the Edit privilege you no longer have to explicitly explain everything you do.

That said, if you're pushing major edits around on other people's posts, be courteous and explain what and why you're doing something. Doesn't need to be a book, just a note so they understand what's going on. It helps prevent new users getting uppity and also lets them know how we expect things to work.

In cases where you really turn a post over, it's not an awful idea to leave a comment too.

<2k users have to justify their edits to the review queue. Once you cross that and earn the Edit privilege you no longer have to explicitly explain everything you do.

That said, if you're pushing major edits around on other people's posts, be courteous and explain what and why you're doing something. Doesn't need to be a book, just a note so they understand what's going on. It helps prevent new users getting uppity and also lets them know how we expect things to work.

In cases where you really turn a post over, it's not an awful idea to leave a comment too.