diff --git a/static/scripts/editor.js b/static/scripts/editor.js
index d08185c..d676cf2 100644
--- a/static/scripts/editor.js
+++ b/static/scripts/editor.js
@@ -133,7 +133,7 @@ editor.onKey = function(evt) {
         editor.gridTimeOut = 0;
     }
     if (evt.keyCode === 67) {
-        materials.curveProperties.splineDensity = materials.curveProperties.splineDensity == 10 ? 0 : 10;
+        materials.curveProperties.splineDensity = materials.curveProperties.splineDensity == 10 ? 1 : 10;
         gui.render();
     }
 };
diff --git a/static/scripts/materials.js b/static/scripts/materials.js
index 5c0bca6..31cf9f1 100644
--- a/static/scripts/materials.js
+++ b/static/scripts/materials.js
@@ -25,6 +25,7 @@ materials.prepare = function() {
 
 
 materials.makeCurve = function(a, b) {
+    console.log("New curve, " + materials.curveProperties.splineDensity);
     var length = new THREE.Vector3().subVectors(a, b).length();
     var bend = new THREE.Vector3(length / materials.curveProperties.curvature, length / materials.curveProperties.curvature, 0);
     var mid = new THREE.Vector3().add(a).add(b).multiplyScalar(0.5).add(bend);
diff --git a/templates/doc.md b/templates/doc.md
index 87263f0..2294dac 100644
--- a/templates/doc.md
+++ b/templates/doc.md
@@ -9,7 +9,8 @@ The state is initialized as a blank canvas without any qubits.
 - Click on a qubit to view its properties
 - Select a qubit, then <kbd>Shift</kbd>-click another node to act a CZ gate
 - Press <kbd>Space</kbd> to rotate the grid
-- Use the <kbd>Up</kbd> and <kbd>Down</kbd> arrow keys to move the grid normal to its plane.
+- Use the up and down arrow keys to move the grid normal to its plane
+- Press <kbd>C</kbd> to toggle curved edges
 
 Arbitrary 3D structures can be constructed by rotating the grid.