diff --git a/docs/ASSEMBLY.md b/docs/ASSEMBLY.md
index 9ce72c01a..d0ca94c5d 100644
--- a/docs/ASSEMBLY.md
+++ b/docs/ASSEMBLY.md
@@ -217,4 +217,13 @@ Create another belt bearing assembly and ensure the belt is behind it.
Here comes the hardest part: routing the belt. Ensure it goes around the shafts of both motors, and runs between the belt bearings within the carriage.
---
+
At the belt clip, bend the belt around on itself (with the teeth facing outwards) in order to hold it tight.
+
+---
+
+Attach the pcb to its mount. Ensure all corners are clipped on.
+
+---
+
+Finally, Screw the mount onto the lower rail using m5x10mm screws and t-nuts.