diff --git a/content/notes/cosc-301.md b/content/notes/cosc-301.md
index a4fe2e7e2..8fb36e6e6 100644
--- a/content/notes/cosc-301.md
+++ b/content/notes/cosc-301.md
@@ -15,8 +15,12 @@ https://www.cs.otago.ac.nz/cosc301/schedule.php
 
 # Notes
 - readings
-	- http://www.schneier.com/blog/archives/2007/01/
-	- http://www.schneier.com/blog/archives/2006/12/realworld_passw.html
+	- [x] http://www.schneier.com/blog/archives/2007/01/
+	- [x] http://www.schneier.com/blog/archives/2006/12/realworld_passw.html
+	- https://www.ietf.org/rfc/rfc1855.txt
+	- https://www.chiark.greenend.org.uk/~sgtatham/bugs.html
+	- http://catb.org/~esr/faqs/smart-questions.html
+		- [[asking questions]]
 # Lectures
 - [[01-intro]]
 - [[02-network and hardware protocols]]