diff --git a/docs/setup-dev-environment.md b/docs/setup-dev-environment.md
index 163de079..c351c515 100644
--- a/docs/setup-dev-environment.md
+++ b/docs/setup-dev-environment.md
@@ -170,7 +170,7 @@ echo "host    all             all             all                     md5" | sud
 Restart postgres to pick up config changes.
 
 ```bash
-service postgresql restart
+sudo service postgresql restart
 ```
 
 Create a superuser role for this user (`<username>`) if it does not already exist. The