Docs: Improve inline comments per the documentation standards.

Includes minor code layout fixes for better readability.

See #48303.

git-svn-id: https://develop.svn.wordpress.org/trunk@47122 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/edit-form-comment.php

@@ -6,7 +6,7 @@
  * @subpackage Administration
  */
 
-// don't load directly
+// Don't load directly.
 if ( ! defined( 'ABSPATH' ) ) {
 	die( '-1' );
 }