hide label when editing a link cpt/act. in matrix

js/matrix.js

@@ -291,7 +291,7 @@ function select_update(obj){
 	var div_form=cell.find(".iena-select");
 	cell.find(".iena-select").hide();
 	cell.find(".iena-matrix-icons").show();
-
+	$("#divmodule"+module_id+"-competency"+competency_id).hide();
 
 	var url = window.location.href;