diff --git a/examples/qr_coder.scad b/examples/qr_coder.scad
index b525d0ae..97ad2427 100644
--- a/examples/qr_coder.scad
+++ b/examples/qr_coder.scad
@@ -95,7 +95,7 @@ module cube_character(head_size) {
         body();
         
     translate([0, head_size * 0.75]) 
-        connector_peg(peg_radius, spacing = spacing, heads = true);   
+        connector_peg(peg_radius, spacing = spacing, ends = true);   
 }
 
 // refactored from https://www.thingiverse.com/thing:258542
diff --git a/src/part/connector_peg.scad b/src/part/connector_peg.scad
index 124ac9ef..8265fdad 100644
--- a/src/part/connector_peg.scad
+++ b/src/part/connector_peg.scad
@@ -1,4 +1,4 @@
-module connector_peg(radius, height, spacing = 0.5, void = false, heads = false) {
+module connector_peg(radius, height, spacing = 0.5, void = false, ends = false) {
     lip_r = radius * 1.2;
     r_diff = lip_r - radius;
 
@@ -46,7 +46,7 @@ module connector_peg(radius, height, spacing = 0.5, void = false, heads = false)
         }
     } 
 
-    if(heads) {
+    if(ends) {
         translate([0, 0, h]) {
             head();
             mirror([0, 0, 1]) head();