Index: src/wp-admin/edit-tags.php
===================================================================
--- src/wp-admin/edit-tags.php	(revision 38627)
+++ src/wp-admin/edit-tags.php	(working copy)
@@ -395,7 +395,8 @@
 <form id="addtag" method="post" action="edit-tags.php" class="validate"
 <?php
 /**
- * Fires at the beginning of the Add Tag form.
+ * Fires at the beginning of the Add Tag form from within the form html tag. 
+ * It allows you to add extra attributes to the form html tag.  
  *
  * The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug.
  *