diff --git a/_announcements/week-10.md b/_announcements/week-10.md
index 214fc0f..a2e92a5 100644
--- a/_announcements/week-10.md
+++ b/_announcements/week-10.md
@@ -3,6 +3,6 @@ title: Announcement 6
 week: 10
 date: 2024-04-25
 ---
-[Exercise 3](../assets/lectures/Q4.pdf) has been released.
+[Exercise 4](../assets/lectures/Q4.pdf) has been released.
 
 You can submit it until the end of 13th Ordibehesht. The maximum allowed time for submission is 2 days. A 25% penalty will be applied for each day of delay (starting from the first day of delay, with a decreasing score for each subsequent day).