diff --git a/README.md b/README.md
index b17a429..d30d6ae 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,12 @@ You can run into the container in an interactive way already with this command:
 ```
 > docker run -h example.com -i -t ldapdock /bin/bash
 ```
-With -h we are specifying the name of the host, we are using example.com, this is very important.
+With -h we are specifying the name of the host, we are using example.com, this is very important.\
+
+If you wish (and it is recommended in development) to save the configuration and LDAP directory structure (also called LDAP database) outside of the container, run this command instead:
+```
+> docker run -h example.com -i -t -v ldap_data:/var/lib/ldap -v ldap_config:/etc/ldap/slapd.d ldapdock /bin/bash
+```
 
 ## _Explaining DN, parentDN, CN, and DC as parameters_