Update advanced.mdx

Author: towneh

content/docs/avatar/advanced.mdx

@@ -19,4 +19,4 @@ For each jiggle root:
 ## Eye & Face Tracking (optional)
 
 - Hai has created a comprehensive guide on how to add the Automatic Face Tracking component to an avatar in a Basis project
-- You can follow the link [here](https://docs.hai-vr.dev/docs/basis/avatar-customization/face-trackingsection) for instruction on how this works.
+- You can follow the link [here](https://docs.hai-vr.dev/docs/basis/avatar-customization/face-tracking) for instruction on how this works.