diff --git a/README.md b/README.md
index 81c3ed0..e11c44e 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,10 @@ You need to specify release, and optional configuration:
 gocage create jail1 -r 13.2-RELEASE -p "Config.Ip4_addr='vnet0|192.168.1.91/24',Config.Ip6=none,Config.Boot=1"
 </code></pre>
 
-Create basejail (jail based on a release, system will be nullfs read-only mounted from the release directory):
+Create basejail  
+A basejail is a jail based on a release: system will be nullfs read-only mounted from the release directory.  
+Main advantage is that release updates will immediately apply to jails based on this release.  
+Another advantage is that jail system is mounted read-only, a plus from a security perspective:  
 <pre><code>
 gocage create -b -r 14.0-RELEASE basejail1
 </code></pre>