diff --git a/docs/content/setup-docker-mailserver-using-the-script-setup.sh.md b/docs/content/setup-docker-mailserver-using-the-script-setup.sh.md
index d5f9e39b..f86dcd8a 100644
--- a/docs/content/setup-docker-mailserver-using-the-script-setup.sh.md
+++ b/docs/content/setup-docker-mailserver-using-the-script-setup.sh.md
@@ -23,8 +23,17 @@ OPTIONS:
 
   -i IMAGE_NAME     The name of the docker-mailserver image, by default
                     'tvial/docker-mailserver:latest'.
+
   -c CONTAINER_NAME The name of the running container.
 
+  -z                Allow container access to the bind mount content
+                    that is shared among multiple containers
+                    on a SELinux-enabled host.
+
+  -Z                Allow container access to the bind mount content
+                    that is private and unshared with other containers
+                    on a SELinux-enabled host.
+
 SUBCOMMANDS:
 
   email: