Add quotes around pip install target (my shell complained without them).

1 files changed, 1 insertions, 1 deletions

diff --git a/README.rst b/README.rst

index 2691dfc23d..4db7d17e94 100644
--- a/README.rst
+++ b/README.rst
@@ -272,7 +272,7 @@ to install using pip and a virtualenv::
 
     virtualenv -p python3 env
     source env/bin/activate
-    python -m pip install --no-use-pep517 -e .[all]
+    python -m pip install --no-use-pep517 -e ".[all]"
 
 This will run a process of downloading and installing all the needed
 dependencies into a virtual env.