diff --git a/docs/contributing.rst b/docs/contributing.rst
index 98ecfaccc..96bd30e0d 100644
--- a/docs/contributing.rst
+++ b/docs/contributing.rst
@@ -231,6 +231,7 @@ While developing, you can install your plugin into a Certbot development
 virtualenv like this:
 
 .. code-block:: shell
+
   . venv/bin/activate
   . tests/integration/_common.sh
   pip install -e examples/plugins/