diff --git a/lms/djangoapps/courseware/tests/load_tests/custom_response/README.md b/lms/djangoapps/courseware/tests/load_tests/custom_response/README.md
index 2120b06b7e..e3fae8c817 100644
--- a/lms/djangoapps/courseware/tests/load_tests/custom_response/README.md
+++ b/lms/djangoapps/courseware/tests/load_tests/custom_response/README.md
@@ -17,7 +17,11 @@ so you can still run the tests.
 
 This test simulates student submissions for a custom response problem.
 
-You can run the test using:
+First, clear the cache:
+
+   /etc/init.d/memcached restart 
+
+Then, run the test:
 
     multimech-run custom_response