Update vel_introductory_example.md

tutorials/python/vel_introductory_example.md

@@ -1,6 +1,6 @@
 # Python 3 Bindings - Introductory Example
 
-This tutorial can be found [wbc_py/tutorials/kuka_iiwa/cart_pos_ctrl_hls_solver.py](https://github.com/ARC-OPT/wbc_py/blob/master/examples/kuka_iiwa/cart_pos_ctrl_hls_solver.py), documentation can be found [here](TODO). To run the tutorial do
+This tutorial can be found [wbc_py/tutorials/kuka_iiwa/cart_pos_ctrl_hls_solver.py](https://github.com/ARC-OPT/wbc_py/blob/master/examples/kuka_iiwa/cart_pos_ctrl_hls_solver.py), documentation can be found [here]([TODO](https://arc-opt.github.io/wbc_py/cart__pos__ctrl__hls__solver_8py.html)). To run the tutorial do
 ```
 cd examples/kuka_iiwa
 python3 cart_pos_ctrl_hls_solver.py