diff --git a/curriculum/challenges/english/25-front-end-development/quiz-testing/66f1aeffc5774ac692112a7e.md b/curriculum/challenges/english/25-front-end-development/quiz-testing/66f1aeffc5774ac692112a7e.md
index 5dab7edc95a..dbf2f855007 100644
--- a/curriculum/challenges/english/25-front-end-development/quiz-testing/66f1aeffc5774ac692112a7e.md
+++ b/curriculum/challenges/english/25-front-end-development/quiz-testing/66f1aeffc5774ac692112a7e.md
@@ -369,7 +369,7 @@ To verify that the most critical functions of a system are working.
 
 #### --text--
 
-Which test involves creating simulated cyberattacks on the application to identify any vulnerabilitiess?
+Which test involves creating simulated cyberattacks on the application to identify any vulnerabilities?
 
 #### --distractors--