update README

README.md

@@ -54,18 +54,17 @@ Every time you want to work, do the following:
 [miniconda]: https://conda.io/miniconda.html
 [conda]: https://conda.io
 [conda-forge]: https://conda-forge.org
-[test_install]: https://nbviewer.org/github/epfl-lts2/matrix-analysis-2025/blob/master/test_install.ipynb
+[test_install]: https://nbviewer.org/urls/gitlab.epfl.ch/lts2/matrix-analysis-2025/-/raw/master/test_install.ipynb/%3Fref_type%3Dheads
 
 ### Binder/Colab...
 You can also run those notebooks using other online services such as [binder](https://mybinder.org) or [Google colab](https://colab.research.google.com/).
 
-Clicking on one of the badges below will open this repository in binder/colab.
+Clicking on the badge below will open this repository in binder.
 
-[![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/epfl-lts2/matrix-analysis-2024/HEAD)
-[![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/epfl-lts2/matrix-analysis-2024/)
+[![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/git/https%3A%2F%2Fgitlab.epfl.ch%2Flts2%2Fmatrix-analysis-2025/HEAD?urlpath=%2Fdoc%2Ftree%2Ftest_install.ipynb)
 
 ### Workaround for MacOS swiss layout keyboards
-Jupyterlab suffers from an annoying quirk when using a swiss layout keyboard on MacOs which prevents you from (simply) typing the '@' character in a cell using `Alt + G`. This is a [known issue](https://github.com/jupyterlab/jupyterlab/issues/7704), for which a workaround exists.
+Jupyterlab might suffer from an annoying quirk when using a swiss layout keyboard on MacOs which prevents you from (simply) typing the '@' character in a cell using `Alt + G`. This is a [known issue](https://github.com/jupyterlab/jupyterlab/issues/7704), for which a workaround exists.
 
 Create a keyboard shortcut: open `Settings>Advanced Settings>Keyboard Shortcuts` and add the following configuration block:
 ```