diff --git a/docs/source/deploy.rst b/docs/source/deploy.rst
index 913348b6..2fd56856 100644
--- a/docs/source/deploy.rst
+++ b/docs/source/deploy.rst
@@ -226,6 +226,7 @@ unix socket:
     PIDFile=/run/gunicorn/pid
     User=someuser
     Group=someuser
+    RuntimeDirectory=gunicorn
     WorkingDirectory=/home/someuser/applicationroot
     ExecStart=/usr/bin/gunicorn --pid /run/gunicorn/pid   \
               --bind unix:/run/gunicorn/socket applicationname.wsgi