X-Git-Url: https://git.distorted.org.uk/~mdw/zone/blobdiff_plain/eebb70af6da9dff795108a04520523437c6a14f9..78d11eb172a3cf0ae51133eb13c9a7635d30ad84:/net.lisp

diff --git a/net.lisp b/net.lisp
index 1750da0..7480b3c 100644
--- a/net.lisp
+++ b/net.lisp
@@ -376,6 +376,7 @@
 
 (export 'string-subipnet)
 (defun string-subipnet (ipn str &key (start 0) (end nil))
+  "Parse an IP subnet from a parent net IPN and a suffix string STR."
   (setf str (stringify str))
   (let* ((addr-class (extract-class-name (ipnet-net ipn)))
 	 (width (ipaddr-width addr-class))