doc.verso doesn't recognize function name in typeclass

<img width="2490" height="2162" alt="Image" src="https://github.com/user-attachments/assets/58ad5ecb-4f15-405f-b19e-83148273ab0c" />

You see that `matMul` is not recognized but `f` is, and I'd like them to be at par. ditto for function arguments.