diff --git a/modules/core/history.js b/modules/core/history.js
index cf745c563..50bf09f11 100644
--- a/modules/core/history.js
+++ b/modules/core/history.js
@@ -99,7 +99,7 @@ export function coreHistory(context) {
     }
 
 
-    // determine diffrence and dispatch a change event
+    // determine difference and dispatch a change event
     function change(previous) {
         var difference = coreDifference(previous, history.graph());
         dispatch.call('change', this, difference);