Update 06_multicat.ipynb

06_multicat.ipynb

@@ -1245,7 +1245,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "We will use the [Biwi Kinect Head Pose Dataset](https://data.vision.ee.ethz.ch/cvl/gfanelli/head_pose/head_forest.html#db) for this section. First thing first, let's begin by downloading the dataset as usual."
+    "We will use the [Biwi Kinect Head Pose Dataset](https://icu.ee.ethz.ch/research/datsets.html) for this section. First thing first, let's begin by downloading the dataset as usual."
    ]
   },
   {