diff --git a/docs/source/migrating/custom-themes.md b/docs/source/migrating/custom-themes.md
index d68584a2d3..dfb7a55c21 100644
--- a/docs/source/migrating/custom-themes.md
+++ b/docs/source/migrating/custom-themes.md
@@ -8,7 +8,7 @@ This is for example the case for community contributed themes such as [jupyter-t
 
 Fortunately installing a custom theme for Notebook 7 is very easy. It is the same process as installing a regular extension.
 
-For example let's say you want to install the [JupyterLab Night](https://github.com/martinRenou/jupyterlab-night) theme. You can do so by running the following command:
+For example let's say you want to install the [JupyterLab Night](https://github.com/jupyterlab-contrib/jupyterlab-night) theme. You can do so by running the following command:
 
 ```bash
 pip install jupyterlab-night
diff --git a/docs/source/notebook.md b/docs/source/notebook.md
index 1eab1b8fa1..5131a416d3 100644
--- a/docs/source/notebook.md
+++ b/docs/source/notebook.md
@@ -355,7 +355,7 @@ Specific plotting library integration is a feature of the kernel.
 ## Installing kernels
 
 For information on how to install a Python kernel, refer to the
-[IPython install page](https://ipython.org/install.html).
+[IPython install page](https://ipython.org/install).
 
 The Jupyter wiki has a long list of [Kernels for other languages](https://github.com/jupyter/jupyter/wiki/Jupyter-kernels).
 They usually come with instructions on how to make the kernel available