Update thinking_in_jax.ipynb

Fix typo in notebook url.

docs/notebooks/thinking_in_jax.ipynb

@@ -33,7 +33,7 @@
    "source": [
     "# How to Think in JAX\n",
     "\n",
-    "[![Open in Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.sandbox.google.com/github/google/jax/blob/master/docs/notebooks/thinking_ind_jax.ipynb)\n",
+    "[![Open in Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.sandbox.google.com/github/google/jax/blob/master/docs/notebooks/thinking_in_jax.ipynb)\n",
     "\n",
     "JAX provides a simple and powerful API for writing accelerated numerical code, but working effectively in JAX sometimes requires extra consideration. This document is meant to help build a ground-up understanding of how JAX operates, so that you can use it more effectively."
    ]