diff --git a/test/unit/card-number.js b/test/unit/card-number.js
index <HASH>..<HASH> 100644
--- a/test/unit/card-number.js
+++ b/test/unit/card-number.js
@@ -79,7 +79,7 @@ describe('number validates', function () {
     ]);
   });
 
-  describe('Mastercard', function () {
+  describe('MasterCard', function () {
     table([
       ['55555555',
         {card: 'master-card', isPotentiallyValid: true, isValid: false}],
Minor: it's "MasterCard", not "Mastercard"

This only appears in this one test file.