diff --git a/dhcpv6-pd-first-steps.org b/dhcpv6-pd-first-steps.org
index b3bf4f3..7653173 100644
--- a/dhcpv6-pd-first-steps.org
+++ b/dhcpv6-pd-first-steps.org
@@ -206,10 +206,10 @@ this:
 
 #+begin_example
 request prefix delegation on vio0 for {
-    vether0/60,
-    reserve/60,
-    vether1/64,
-    vether2/64,
+    vether0/60
+    reserve/60
+    vether1/64
+    vether2/64
     vether3/60
 }
 #+end_example