diff --git a/js/cam/ShopbotExporter.js b/js/cam/ShopbotExporter.js
index 196ea8d61b07b6ae60c9d58d276f681721a55b34..4af77eb8df18f9b3f6dcb859fac06f888154bbff 100644
--- a/js/cam/ShopbotExporter.js
+++ b/js/cam/ShopbotExporter.js
@@ -105,6 +105,7 @@ ShopbotExporter.prototype.simulate = function(line, machine, wcs,  callback){
     }
 };
 
+//todo mm support
 ShopbotExporter.prototype._simulateGetPosition = function(line, speed, machine, wcs, callback){
     if (line[1] == 3 || line[1] == 2) {
         var data = line.split(" ");