diff --git a/README.md b/README.md
index d6d175f..43ac22b 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,10 @@
 
 portzap is a utility that manages a local copy of the
 [hardenedbsd ports tree](https://git.hardenedbsd.org/hardenedbsd/ports).
+The copy of the ports tree is maintained by members of 
+the `_portzap` group, and the copy of the ports tree 
+can be installed to `/usr/ports` by root.
+
 
 ## Examples
 
diff --git a/man/man8/portzap.8 b/man/man8/portzap.8
index 20eb24f..171e534 100644
--- a/man/man8/portzap.8
+++ b/man/man8/portzap.8
@@ -16,6 +16,9 @@ portzap setup
 .Sh DESCRIPTION
 .Nm portzap
 manages a copy of the hardenedbsd ports tree.
+The copy of the ports tree is maintained by members of
+the '_portzap' group, and the copy of the ports tree
+can be installed to '/usr/ports' by root.
 .Sh EXAMPLES
 .sp
 .sp