diff --git a/_modules/week-03.md b/_modules/week-03.md
index c0653c8..ecd81c1 100644
--- a/_modules/week-03.md
+++ b/_modules/week-03.md
@@ -9,11 +9,11 @@ Sep 04
   
 
 Sep 06
-: [Buffer Overflow Attacks 3](#)
+: [Buffer Overflow Attacks 3](https://purdue.brightspace.com/d2l/le/content/832199/Home?itemIdentifier=D2L.LE.Content.ContentObject.ModuleCO-14109853)
   :  
   : <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 lectures: Read [Smashing the Stack for Fun and Profit by Aleph One](http://phrack.org/issues/49/14.html#article); Optional: 0×300-0×320 from [Hacking book](http://www.lib.purdue.edu/holdings?isbn=9781593271442&course=202410-CS-42600). 0×200-0×270 if you don't have a strong C background.</span></details>
 
 Sep 08
-: [Buffer Overflow Attacks 4]()
-  :
+: [Buffer Overflow Attacks 4](https://purdue.brightspace.com/d2l/le/content/832199/Home?itemIdentifier=D2L.LE.Content.ContentObject.ModuleCO-14109853)
+  :  
   : <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 lectures: Read [Smashing the Stack for Fun and Profit by Aleph One](http://phrack.org/issues/49/14.html#article); Optional: 0×300-0×320 from [Hacking book](http://www.lib.purdue.edu/holdings?isbn=9781593271442&course=202410-CS-42600). 0×200-0×270 if you don't have a strong C background.</span></details>
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