More phpdoc updates for wp-adming. See #7496 props santosj.

git-svn-id: http://svn.automattic.com/wordpress/trunk@8656 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/edit-form-comment.php

@@ -1,4 +1,14 @@
 <?php
+/**
+ * Edit comment form for inclusion in another file.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/**
+ * @var string
+ */
 $submitbutton_text = __('Edit Comment');
 $toprow_title = sprintf(__('Editing Comment # %s'), $comment->comment_ID);
 $form_action = 'editedcomment';