Correct misleading verbiage in 'print' hook docs.

Standardizes 'print' hook docs on the concept that hooks are fired when scripts and styles are printed.

Props ericlewis for the initial patch.
Fixes #26924.


git-svn-id: https://develop.svn.wordpress.org/trunk@27695 602fd350-edb4-49c9-b593-d223f7449a82
Fix typo from [27695]. See #26924.


git-svn-id: https://develop.svn.wordpress.org/trunk@27696 602fd350-edb4-49c9-b593-d223f7449a82