Merge pull request #5651 from rpolley/Update-docs-for-dev-environment-installation-instructions-#5643-1.1-maint-port

Update docs for dev environment installation instructions #5643 1.1-maint port

docs/development.rst

@@ -156,7 +156,7 @@ controlled by that flag.  See ``_setup_implied_logging()`` in
 Building a development environment
 ----------------------------------
 
-First, just install borg into a virtual env as described before.
+First, just install borg into a virtual env :ref:`as described before <git-installation>`.
 
 To install some additional packages needed for running the tests, activate your
 virtual env and run::

docs/installation.rst

@@ -338,8 +338,8 @@ While we try not to break master, there are no guarantees on anything.
     pip install -r requirements.d/fuse.txt  # optional, for FUSE support
     pip install -e .  # in-place editable mode
 
-    # optional: run all the tests, on all supported Python versions
+    # optional: run all the tests, on all installed Python versions
     # requires fakeroot, available through your package manager
-    fakeroot -u tox
+    fakeroot -u tox --skip-missing-interpreters
 
 .. note:: As a developer or power user, you always want to use a virtual environment.