Add a sudo to one of the commands in the deployment instructions

README.md

@@ -37,7 +37,7 @@ For testing deployment, we currently use [Dokku](http://dokku.viewdocs.io/dokku/
 3. Set up persistent storage:
     ```bash
     sudo mkdir -p /var/lib/dokku/data/storage/indie
-    chown 32767:32767 /var/lib/dokku/data/storage/indie
+    sudo chown 32767:32767 /var/lib/dokku/data/storage/indie
     dokku storage:mount /var/lib/dokku/data/storage/indie:/app/.indie
     ```