diff --git a/site/en/guide/intro_to_modules.ipynb b/site/en/guide/intro_to_modules.ipynb
index 79bbe89ca56..5e49acb645b 100644
--- a/site/en/guide/intro_to_modules.ipynb
+++ b/site/en/guide/intro_to_modules.ipynb
@@ -716,7 +716,7 @@
         "* Saving and restoring python objects instead of just black-box functions\n",
         "* `get_config` and `from_config` methods that allow you to accurately store configurations to allow model cloning in Python\n",
         "\n",
-        "These features allow for far more complex models through subclassing, such as a custom GAN or a Variational AutoEncoder (VAE) model. Read about them in the [full guide](./keras/custom_layers_and_models.ipynb) to custom layers and models.\n",
+        "These features allow for far more complex models through subclassing, such as a custom GAN or a Variational AutoEncoder (VAE) model. Read about them in the [full guide](https://keras.io/guides/making_new_layers_and_models_via_subclassing/) to custom layers and models.\n",
         "\n",
         "Keras models also come with extra functionality that makes them easy to train, evaluate, load, save, and even train on multiple machines."
       ]
@@ -978,7 +978,7 @@
       "source": [
         "Overriding `tf.keras.Model` is a very Pythonic approach to building TensorFlow models.  If you are migrating models from other frameworks, this can be very straightforward.\n",
         "\n",
-        "If you are constructing models that are simple assemblages of existing layers and inputs, you can save time and space by using the [functional API](./keras/functional.ipynb), which comes with additional features around model reconstruction and architecture.\n",
+        "If you are constructing models that are simple assemblages of existing layers and inputs, you can save time and space by using the [functional API](https://keras.io/guides/functional_api/), which comes with additional features around model reconstruction and architecture.\n",
         "\n",
         "Here is the same model with the functional API:"
       ]