diff --git a/docs/advanced.rst b/docs/advanced.rst
index 9623df2e..c7249c04 100644
--- a/docs/advanced.rst
+++ b/docs/advanced.rst
@@ -266,7 +266,7 @@ You can tell Pipenv to install things into it's parent system with the ``--syste
 
 This is useful for Docker containers, and deployment infrastructure (e.g. Heroku does this).
 
-Also useful for deployment is the ``--deploy`` flag:
+Also useful for deployment is the ``--deploy`` flag::
 
     $ pipenv install --system --deploy