diff --git a/js/menus/LatticeMenuView.js b/js/menus/LatticeMenuView.js
index 356347bafb6df44be182ca615500c9b7a10d5c2a..731f97fb92918f12e47b7629ef1285bddcd0658d 100644
--- a/js/menus/LatticeMenuView.js
+++ b/js/menus/LatticeMenuView.js
@@ -10,8 +10,8 @@ LatticeMenuView = Backbone.View.extend({
     events: {
         "click #latticeMenuClearCells":                 "_clearCells",
         "change #latticeScale":                         "_changeScale",
-        "click .cellType":                              "_changeCellType",
-        "click .connectionType":                        "_changeConnectionType",
+//        "click .cellType":                              "_changeCellType",
+//        "click .connectionType":                        "_changeConnectionType",
         "slide #scaleSlider":                           "_sliderDidSlide",
         "slideStop #scaleSlider":                       "_changeScaleSlider"
     },
@@ -137,6 +137,7 @@ LatticeMenuView = Backbone.View.extend({
         Num Cells:&nbsp;&nbsp;<%= numCells %><br/>\
         <br/>\
         <a href="#" id="latticeMenuClearCells" class=" btn btn-block btn-lg btn-default">Clear All Cells</a><br/>\
+        hint: click to create cells, shift+drag to create a lot of cells, d+click to delete cells\
         ')
 
 //    <label class="checkbox" for="invertGeo">\
diff --git a/js/models/AppState.js b/js/models/AppState.js
index 04d9d305110a2e239bf0a9b2fe3d9e53daf9da3c..f93cc3dc425f240fb16ee2d73d256d3131fe7f27 100644
--- a/js/models/AppState.js
+++ b/js/models/AppState.js
@@ -142,12 +142,14 @@ AppState = Backbone.Model.extend({
         var state = e.data.state;
         var currentTab = this.get("currentTab");
 
+        console.log(e.keyCode);
+
         switch(e.keyCode){
             case 16://shift
                 e.preventDefault();
                 this.set("shift", state);
                 break;
-            case 32://space bar
+            case 68://d delete mode
                 e.preventDefault();
                 if (this.get("cellMode") == "cell") this.set("deleteMode", state);//only for cell mode
                 else this.set("deleteMode", false);