Index: wp-admin/includes/media.php
===================================================================
--- wp-admin/includes/media.php	(revision 18763)
+++ wp-admin/includes/media.php	(working copy)
@@ -1531,7 +1531,7 @@
 <?php do_action('post-html-upload-ui'); ?>
 </div>
 
-<p><?php printf( __( 'Maximum upload file size: %d%s.' ), esc_html($upload_size_unit), esc_html($sizes[$u]) ); ?> 
+<p id="max-upload-advise"><?php printf( __( 'Maximum upload file size: %d%s.' ), esc_html($upload_size_unit), esc_html($sizes[$u]) ); ?> 
 <?php _e('After a file has been uploaded, you can add titles and descriptions.'); ?></p>
 
 <?php