diff --git a/wp-admin/update-core.php b/wp-admin/update-core.php
index ecde850533..00999db8d9 100644
--- a/wp-admin/update-core.php
+++ b/wp-admin/update-core.php
@@ -245,7 +245,7 @@ function list_theme_updates() {
 ?>
 <h3><?php _e('Themes'); ?></h3>
 <p><?php _e('The following themes have new versions available. Check the ones you want to update and then click "Update Themes".'); ?></p>
-<p><?php _e('<strong>Please Note:</strong> Any customizations you have made to the Themes files will be lost. Please consider using <a href="%s">Child Themes</a> for modifications.'); ?></p>
+<p><?php printf( __('<strong>Please Note:</strong> Any customizations you have made to the Themes files will be lost. Please consider using <a href="%s">Child Themes</a> for modifications.'), 'http://codex.wordpress.org/Theme_Development#Child_Themes_style.css' ); ?></p>
 <form method="post" action="<?php echo $form_action; ?>" name="upgrade-themes" class="upgrade">
 <?php wp_nonce_field('upgrade-core'); ?>
 <p><input id="upgrade-themes" class="button" type="submit" value="<?php esc_attr_e('Update Themes'); ?>" name="upgrade" /></p>