diff --git a/README.md b/README.md
index e9afbe7c..3193cca0 100644
--- a/README.md
+++ b/README.md
@@ -72,7 +72,7 @@ supports tensorflow versions 2.x.
 | Wasserstein distance estimation on toy example | [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/deel-ai/deel-lip/blob/master/docs/notebooks/demo1.ipynb) |
 | HKR Classifier on toy dataset | [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/deel-ai/deel-lip/blob/master/docs/notebooks/demo2.ipynb) |
 | HKR classifier on MNIST dataset | [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/deel-ai/deel-lip/blob/master/docs/notebooks/demo3.ipynb) |
-| HKR multiclass and fooling | [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/deel-ai/deel-lip/blob/master/doc/notebooks/demo4.ipynb) |
+| HKR multiclass and fooling | [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/deel-ai/deel-lip/blob/master/docs/notebooks/demo4.ipynb) |
 
 
 ## 📦 What's Included
diff --git a/docs/index.md b/docs/index.md
index 77e0e862..d2aae67e 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -69,7 +69,7 @@ supports tensorflow versions 2.x.
 | Wasserstein distance estimation on toy example | [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/deel-ai/deel-lip/blob/master/docs/notebooks/demo1.ipynb) |
 | HKR Classifier on toy dataset | [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/deel-ai/deel-lip/blob/master/docs/notebooks/demo2.ipynb) |
 | HKR classifier on MNIST dataset | [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/deel-ai/deel-lip/blob/master/docs/notebooks/demo3.ipynb) |
-| HKR multiclass and fooling | [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/deel-ai/deel-lip/blob/master/doc/notebooks/demo4.ipynb) |
+| HKR multiclass and fooling | [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/deel-ai/deel-lip/blob/master/docs/notebooks/demo4.ipynb) |
 
 
 ## 📦 What's Included