diff --git a/dromToggle.scad b/dromToggle.scad
index 074988b..1a31910 100644
--- a/dromToggle.scad
+++ b/dromToggle.scad
@@ -1,5 +1,4 @@
-// Toggle
-//
+// Cord toggle for securing grommet equipment
 
 mainDiam=10;
 mainLength=20;
@@ -8,17 +7,16 @@ cordHoleGap=1;
 flattenBottom=0.3;
 $fn = 40;
 
-
 difference(){
 
-
-// cyl mirrored across yz
+// cyl mirrored across yz +++++++++++++++++++++++++++++++++++++++++++
 color("blue"){
   for (dir = [-1 : 1] ) mirror([dir, 0, 0]){
     union(){
       rotate([0,90,0]){
           cylinder(mainLength / 2, d = mainDiam, center=false);
       }
+      // rounded ends
       translate([mainLength / 2, 0, 0]){
         sphere(d = mainDiam);
       }
@@ -26,15 +24,14 @@ color("blue"){
   }
 }
 
-
-// flatten bottom
+// flatten bottom for better print and interface ---------------------------
 color("red"){
   translate([0, 0, -1 * (1 - flattenBottom) * mainDiam]){
     cube( [2 * mainLength, mainDiam, mainDiam], center=true);
   }
 }
 
-//holes
+//holes for cord
 color("green"){
     for (dir = [-1 : 1]) mirror([dir, 0, 0]){
         translate([cordHoleGap * cordDiam, 0, 0]){
@@ -44,7 +41,7 @@ color("green"){
     }
 }
 
-//relief
+//relief for cord bend
 color("yellow"){
     translate([0, 0, mainDiam / 2]){
         rotate([0, 90, 0]){
@@ -52,5 +49,4 @@ color("yellow"){
           }
       }
   }
-
 }