diff --git a/README.md b/README.md
index 5da0064..754d24e 100644
--- a/README.md
+++ b/README.md
@@ -258,6 +258,8 @@ brings no guarantees that it'll work for your scenario.
 
 **Careful yourself** when working with ZFS snapshots! Check this out:
 
+    # CAREFUL ! These commands destroy your FS !
+    
     zfs destroy -r zroot@mysnap     # destroy snapshot 'mysnap' from pool 'zroot'
     zfs destroy -r zroot#mysnap     # destroy all system data, and comment it's 'mysnap'
     # notice that # and @ are next to each other on most keyboards.