Update Chapter10.md

Chapter10/Chapter10.md

 # Material for Chapter 10
 
 The notebook the exercise in Chapter 10 is available from this link:
-[![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/vedranaa/teaching-notebooks/main/02506_week10_MiniUnet.ipynb)
+[![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/vedranaa/teaching-notebooks/blob/main/02506_week10_MiniUnet.ipynb)