diff --git a/src/design_notebooks/2025fall/hd2609.md b/src/design_notebooks/2025fall/hd2609.md
index 272e2ec..23b88f3 100644
--- a/src/design_notebooks/2025fall/hd2609.md
+++ b/src/design_notebooks/2025fall/hd2609.md
@@ -18,3 +18,21 @@ Summary: this week is just beginning week. I plan to find a partner during next
 * Finished lab 1 this week. There are 3 more labs to be done.
 
 Summary: This week I mainly discussed about what I continued to do next in the meeting with Darren. We plan to do on-boarding labs for a few weeks. Then we know how to test our code on board.
+
+## Week of September 21st
+
+### Project Work
+
+* Did 2 more Verilog practice questions on the HDLBits. I finished until "vector" problem. 
+* Finished lab 2 this week. There are 2 more labs to be done.
+
+Summary: I do not have much progess this week due to busy assignments and project of circuit. I will meet with team on Monday to talk about deadline of finishing all labs.
+
+## Week of September 28th
+
+### Project Work
+
+* Did 2 more Verilog practice questions on the HDLBits. I finished until "Four input gates" problem. 
+* Finished lab 3 and almost half of lab 4 this week. There are 0.5 more labs to be done.
+
+Summary: This week is less stressful than last week. I met with team and confirmed that we need to finish all labs this week. I will finish all 4 labs this week and then find meeting time with team for next step.