add mouseeenter/leave documentation

pd/doc/4.data.structures/pd-l2ork/ds-tutorials/15.events.pd

@@ -37,7 +37,9 @@ gets sent to the outlet of the corresponding [draw] object.;
 #X text 16 46 DESCRIPTION mouse events for the [draw] command;
 #X text 16 6 KEYWORDS tutorial data_structure draw gui;
 #X restore 506 578 pd META;
-#X text 53 525 drag - convenience function for click-dragging;
+#X text 53 565 drag - convenience function for click-dragging;
+#X text 53 525 mouseenter - mouse enters a group or shape;
+#X text 53 545 mouseleave - mouse enters a group or shape;
 #X connect 3 0 10 0;
 #X connect 7 0 24 0;
 #X connect 8 0 22 0;