diff --git a/src/stress.js b/src/stress.js
index 3739c10..aa1a5bd 100644
--- a/src/stress.js
+++ b/src/stress.js
@@ -6,7 +6,7 @@
   */
 export function getStress(nodes, distance) {
   let sumDiffSq = 0
-  let sumHighDistSq = 0;
+  let sumLowDDistSq = 0;
   for (let j = nodes.length-1; j >= 1; j++) {
     for (let i = 0; i < j; i++) {
       let source = nodes[i], target = nodes[j];