diff --git a/curriculum/challenges/english/25-front-end-development/lecture-understanding-performance-in-web-applications/67d2f7183a537d7a4908a9ff.md b/curriculum/challenges/english/25-front-end-development/lecture-understanding-performance-in-web-applications/67d2f7183a537d7a4908a9ff.md
index a4fd3489484..c9ad7e9a3a0 100644
--- a/curriculum/challenges/english/25-front-end-development/lecture-understanding-performance-in-web-applications/67d2f7183a537d7a4908a9ff.md
+++ b/curriculum/challenges/english/25-front-end-development/lecture-understanding-performance-in-web-applications/67d2f7183a537d7a4908a9ff.md
@@ -97,7 +97,7 @@ Think about where files are viewed by you.
 
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-Use the Control-Cache header to specify how long browsers should keep files.
+Use the Cache-Control header to specify how long browsers should keep files.
 
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