Fix link syntax (#709)

Releases: main, 13.4, 12.4

Co-authored-by: Lina Wolf <48202465+linawolf@users.noreply.github.com>

Author: github-actions[bot]

Documentation/Installation/Install.rst

@@ -206,6 +206,6 @@ Afterwards you can safely delete the project's root folder.
 DDEV Documentation
 ------------------
 
-You will want to visit `DDEV's documentation <https://ddev.readthedocs.io/>__`,
-which also has a `TYPO3 Quick Start <https://ddev.readthedocs.io/en/stable/users/quickstart/#typo3/>__`
+You will want to visit `DDEV's documentation <https://ddev.readthedocs.io/>`_,
+which also has a `TYPO3 Quick Start <https://ddev.readthedocs.io/en/stable/users/quickstart/#typo3/>`_
 which parallels this one.