Index: src/wp-admin/my-sites.php
===================================================================
--- src/wp-admin/my-sites.php	(revision 26270)
+++ src/wp-admin/my-sites.php	(working copy)
@@ -68,11 +68,28 @@
 <form id="myblogs" action="" method="post">
 	<?php
 	choose_primary_blog();
+	/**
+	 * Fires after displaying the Choose Primary Site drop-down.
+	 *
+	 * @since 3.0.0
+	 */
 	do_action( 'myblogs_allblogs_options' );
 	?>
 	<br clear="all" />
 	<table class="widefat fixed">
 	<?php
+	/**
+	 * Enable the Global Settings section on the My Sites screen.
+	 *
+	 * By default, the Global Settings section is hidden. Passing a non-empty
+	 * string to this filter will enable the section, and allow new settings
+	 * to be added, either globally or for specific sites.
+	 *
+	 * @since MU
+	 *
+	 * @param string $settings_html The settings HTML markup. Default empty.
+	 * @param object $context       Context of the setting (global or site-specific). Default 'global'.
+	 */
 	$settings_html = apply_filters( 'myblogs_options', '', 'global' );
 	if ( $settings_html != '' ) {
 		echo '<tr><td valign="top"><h3>' . __( 'Global Settings' ) . '</h3></td><td>';
@@ -102,7 +119,16 @@
 			$s = $i == 3 ? '' : 'border-right: 1px solid #ccc;';
 			echo "<td valign='top' style='$s'>";
 			echo "<h3>{$user_blog->blogname}</h3>";
+			/**
+			 * Filter the displayed links for each site.
+			 *
+			 * @since MU
+			 *
+			 * @param string $string    The HTML link markup.
+			 * @param object $user_blog An object containing the site data.
+			 */
 			echo "<p>" . apply_filters( 'myblogs_blog_actions', "<a href='" . esc_url( get_home_url( $user_blog->userblog_id ) ). "'>" . __( 'Visit' ) . "</a> | <a href='" . esc_url( get_admin_url( $user_blog->userblog_id ) ) . "'>" . __( 'Dashboard' ) . "</a>", $user_blog ) . "</p>";
+			/** This filter is documented in wp-admin/my-sites.php */
 			echo apply_filters( 'myblogs_options', '', $user_blog );
 			echo "</td>";
 			$i++;