diff --git wp-admin/edit-link-form.php wp-admin/edit-link-form.php
index ad2c6e5..c004992 100644
--- wp-admin/edit-link-form.php
+++ wp-admin/edit-link-form.php
@@ -30,15 +30,24 @@ add_meta_box('linktargetdiv', __('Target'), 'link_target_meta_box', null, 'norma
 add_meta_box('linkxfndiv', __('Link Relationship (XFN)'), 'link_xfn_meta_box', null, 'normal', 'core');
 add_meta_box('linkadvanceddiv', __('Advanced'), 'link_advanced_meta_box', null, 'normal', 'core');
 
-do_action('add_meta_boxes', 'link', $link);
-do_action('add_meta_boxes_link', $link);
+/** This action is documented in wp-admin/edit-form-advanced.php */
+do_action( 'add_meta_boxes', 'link', $link );
+
+/**
+* Fires when link-specific meta boxes are added.
+*
+* @since 3.0.0
+*
+* @param object $link Link object.
+*/
+do_action( 'add_meta_boxes_link', $link );
 
 /** This action is documented in wp-admin/edit-form-advanced.php */
-do_action('do_meta_boxes', 'link', 'normal', $link);
+do_action( 'do_meta_boxes', 'link', 'normal', $link );
 /** This action is documented in wp-admin/edit-form-advanced.php */
-do_action('do_meta_boxes', 'link', 'advanced', $link);
+do_action( 'do_meta_boxes', 'link', 'advanced', $link );
 /** This action is documented in wp-admin/edit-form-advanced.php */
-do_action('do_meta_boxes', 'link', 'side', $link);
+do_action( 'do_meta_boxes', 'link', 'side', $link );
 
 add_screen_option('layout_columns', array('max' => 2, 'default' => 2) );
 
@@ -110,7 +119,12 @@ wp_nonce_field( 'meta-box-order', 'meta-box-order-nonce', false ); ?>
 <div id="postbox-container-1" class="postbox-container">
 <?php
 
-do_action('submitlink_box');
+/**
+ * Fires before the Save meta box in the sidebar.
+ *
+ * @since 2.5.0
+ */
+do_action( 'submitlink_box' );
 $side_meta_boxes = do_meta_boxes( 'link', 'side', $link );
 
 ?>