diff --git a/client/i18n/locales/english/intro.json b/client/i18n/locales/english/intro.json
index 3fce0ffe427..97d4caa4e98 100644
--- a/client/i18n/locales/english/intro.json
+++ b/client/i18n/locales/english/intro.json
@@ -3316,7 +3316,7 @@
       "quiz-javascript-classes": {
         "title": "JavaScript Classes Quiz",
         "intro": [
-          "Test what you've learned about JavaScript Classes with this quiz."
+          "Test what you've learned about JavaScript classes with this quiz."
         ]
       },
       "lecture-understanding-recursion-and-the-call-stack": {