Simplest package for Atom that wraps tag around selection - similar functionality found on other editors like PhpStorm, SublimeText, TextMate etc.
Just select a word or phrase and hit Alt + Shift + w
Hit spacebar key to continue typing attribute after the opening tag.
apm install atom-wrap-in-tag
or find atom-wrap-in-tag in Settings > Install tab
Good catch. Let us know what about this package looks wrong to you, and we'll investigate right away.