Correct Docker image working dir (#2965)

Author: 31z4

docs/faq.rst

@@ -321,15 +321,15 @@ tox without any flags:
 
 .. code-block:: shell
 
-    docker run -v `pwd`:/home/tox/tests -it --rm 31z4/tox
+    docker run -v `pwd`:/tests -it --rm 31z4/tox
 
 Because an entry point of the image is ``tox``, you can easily pass subcommands and flags:
 
 .. code-block:: shell
 
-    docker run -v `pwd`:/home/tox/tests -it --rm 31z4/tox run-parallel -e black,py311
+    docker run -v `pwd`:/tests -it --rm 31z4/tox run-parallel -e black,py311
 
-Note, that the image is configured with a working directory at ``/home/tox/tests``.
+Note, that the image is configured with a working directory at ``/tests``.
 
 If you want to install additional Python versions/implementations or Ubuntu packages you can create a derivative image.
 Just make sure you switch the user to ``root`` when needed and switch back to ``tox`` afterwards: