diff --git a/_modules/week-04.md b/_modules/week-04.md
index dfa964f..700967f 100644
--- a/_modules/week-04.md
+++ b/_modules/week-04.md
@@ -7,7 +7,7 @@ title: Week-4
 
 Sep 11
 : [Buffer Overflow Defenses 1]()
-  : [**HW1 Due**](#){: .label .label-yellow }[**HW2 Release**](#){: .label .label-purple }
+  : [**HW1 Due**](https://purdue.brightspace.com/d2l/le/content/832199/viewContent/14099764/View){: .label .label-yellow }[**HW2 Release**](https://purdue.brightspace.com/d2l/le/content/832199/viewContent/14161251/View){: .label .label-purple }
   : <details title="recommended readings" class="my"><summary><i class="icon fas fa-book-reader "></i></summary><span class="fs-2" markdown=1> Read [ASLR](https://pax.grsecurity.net/docs/aslr.txt); [NOEXEC](https://pax.grsecurity.net/docs/noexec.txt).</span></details>
   
 
@@ -21,4 +21,4 @@ Sep 13
 Sep 15
 : [Buffer Overflow Defenses 3]()
   : 
-  : <details title="recommended readings" class="my"><summary><i class="icon fas fa-book-reader "></i></summary><span class="fs-2" markdown=1> Same as prev lecture: Read [ASLR](https://pax.grsecurity.net/docs/aslr.txt); [NOEXEC](https://pax.grsecurity.net/docs/noexec.txt).</span></details>
\ No newline at end of file
+  : <details title="recommended readings" class="my"><summary><i class="icon fas fa-book-reader "></i></summary><span class="fs-2" markdown=1> Same as prev lecture: Read [ASLR](https://pax.grsecurity.net/docs/aslr.txt); [NOEXEC](https://pax.grsecurity.net/docs/noexec.txt).</span></details>