diff --git a/README.md b/README.md
index 827a7d8..d6d175f 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,10 @@ portzap is a utility that manages a local copy of the
     # This command is delegated to the '_portzap' user.
     $ portzap pull
 
+    # Start over: erase /usr/ports/ and /home/_portzap/ports/.
+    # This command is delegated to the '_portzap' user.
+    $ portzap erase
+
     # Install /home/_portzap/ports/ into /usr/ports/.
     # This command requires root privileges.
     # portzap install
diff --git a/man/man8/portzap.8 b/man/man8/portzap.8
index 289a528..20eb24f 100644
--- a/man/man8/portzap.8
+++ b/man/man8/portzap.8
@@ -31,6 +31,13 @@ Pull updates into /home/_portzap/ports/.
 .br
 This command is delegated to the '_portzap' user.
 .Pp
+.Nm portzap erase
+.br
+Start over: erase /usr/ports/ and /home/_portzap/ports/.
+.br
+This command is delegated to the '_portzap' user.
+.br
+.Pp
 .Nm portzap install
 .br
 Install /home/_portzap/ports/ into /usr/ports/.