Index: wp-admin/revision.php
===================================================================
--- wp-admin/revision.php	(revision 23582)
+++ wp-admin/revision.php	(working copy)
@@ -108,7 +108,7 @@
 		<div id="difftitle">{{{ data.revision_date_author }}}</div>
 		<div id="diffcancel"><input class="button" onClick="document.location='<?php echo get_edit_post_link( $post->ID ); ?>'" type="submit" id="cancel" value="<?php esc_attr_e( 'Cancel' )?>" /></div>
 		<div id="diffrestore"><input class="button button-primary" onClick="document.location='{{{ data.restoreaction }}}'" type="submit" id="restore" value="<?php esc_attr_e( 'Restore' )?>" /></div>
-		<div id="comparetworevisions"><input type="checkbox" id="comparetwo" value="comparetwo" {{{ data.comparetwochecked }}} name="comparetwo"/> <?php esc_attr_e( 'Compare two revisions' )?></div>
+		<div id="comparetworevisions"><input type="checkbox" id="comparetwo" value="comparetwo" {{{ data.comparetwochecked }}} name="comparetwo"/> <label for="comparetwo"><?php esc_attr_e( 'Compare two revisions' ); ?></a></div>
 	</div>
 	<div id="removedandadded">
 		<div id="removed"><?php _e( 'Removed -' ); ?></div>