Support zsh in editable install

adamtheturtle · web-flow · commit 2f0be3af52a7 · 2019-06-20T10:12:22.000+02:00
diff --git a/docs/source/contributing.rst b/docs/source/contributing.rst
@@ -14,7 +14,7 @@ Install Python dependencies in a virtual environment.
 
 .. code:: sh
 
-    pip install --editable .[dev]
+    pip install --editable '.[dev]'
 
 Spell checking requires ``enchant``.
 This can be installed on macOS, for example, with `Homebrew <https://brew.sh>`__:
