There are plenty of places to offer feedback on Angular, general or specific. All I'm saying is that it's nice to look at the docs and not have to see a big string of "OMG AngularJS docs suck" (only a slight exaggeration).
Also, if your comment is going to be useful on a documentation page, chances are it will be even more useful as a commit to the docs themselves. Mad about doc quality? Whine (give feedback) about it on Twitter, maybe even mention one of the committers.