diff --git a/README.md b/README.md
index 0e1861d..93d71c2 100644
--- a/README.md
+++ b/README.md
@@ -121,6 +121,6 @@ If the program does not compile (e.g., not valid javascript file) the score is 0
 
 - Only submissions made through the system will be considered (e.g., no direct emails to the TA or Prof).
 - You can resubmit as many times as you want; only the last submission will be considered.
-- Submissions after the deadline (even a few minutes) will receive a penalty of 50%. Submissions made after 24 hours from the deadline will be ignored (score will be 0).
+- Submissions after the deadline (even a few minutes) will receive a penalty of 20%. Submissions made after 24 hours from the deadline will be ignored (score will be 0).
 - Keep a screenshot that proves your completed submission.
 - Coding style may be considered in grading.