Fix the test link in documentation

Author: brichet

docs/index.md

@@ -36,4 +36,4 @@ Do not expect to fetch a large repository with it.
 It can be tried with the current documentation, by providing parameters in the current URL of the documentation.
 
 As an example the following URL will reload the current page with some repo parameters:\
-<https://litegitpuller.readthedocs.io/en/latest/index.html?repo=https%3A%2F%2Fgithub.com%2Fbrichet%2Ftesting-repo&urlpath=tree%2Ftesting-repo%2Fnotebooks%2Fsimple.ipynb&branch=main>
+[https://litegitpuller.readthedocs.io/en/latest/index.html?repo=https%3A%2F%2Fgithub.com%2Fbrichet%2Ftesting-repo&urlpath=tree%2Ftesting-repo%2Fnotebooks%2Fsimple.ipynb&branch=main](https://litegitpuller.readthedocs.io/en/latest/index.html?repo=https%3A%2F%2Fgithub.com%2Fbrichet%2Ftesting-repo&urlpath=tree%2Ftesting-repo%2Fnotebooks%2Fsimple.ipynb&branch=main)