diff --git a/CPU.md b/CPU.md
index a491833..975e5a6 100644
--- a/CPU.md
+++ b/CPU.md
@@ -9,7 +9,7 @@ Work in progress
 
 
 ## General purpose registers
-The registers are 16-bits locations available to the CPU and are used in some instructions and system calls. Read [Basic Assembly Tutorial](https://github.com/simon987/Much-Assembly-Required-3/wiki/Basic-Assembly-tutorial) for more information.
+The registers are 16-bits locations available to the CPU and are used in some instructions and system calls. Read [Basic Assembly Tutorial](https://github.com/simon987/Much-Assembly-Required/wiki/Basic-Assembly-tutorial) for more information.
 
 | Register | Purpose |
 | -------- | ------- |