diff --git a/content/notes/11-DHCP.md b/content/notes/12-DHCP.md
similarity index 99%
rename from content/notes/11-DHCP.md
rename to content/notes/12-DHCP.md
index 9b3a71880..863027a5b 100644
--- a/content/notes/11-DHCP.md
+++ b/content/notes/12-DHCP.md
@@ -1,5 +1,5 @@
 ---
-title: "11-DHCP"
+title: "12-DHCP"
 tags: 
 - lecture
 - cosc301
diff --git a/content/notes/cosc-301.md b/content/notes/cosc-301.md
index 1677ea201..26f3fcae3 100644
--- a/content/notes/cosc-301.md
+++ b/content/notes/cosc-301.md
@@ -41,8 +41,7 @@ https://www.cs.otago.ac.nz/cosc301/schedule.php
 - [x] [[09-wireless-networking]]
 - [x] [[10-scheduled-tasks-and-logs]]
 - [ ] [[11-DNS]] need to read about security
-- [ ] [[11-DHCP]] 
-- [ ] [[13-ssh]]
-
+- [ ] [[12-DHCP]] need to study
+- [x] [[13-ssh]]
 
 # Info