diff --git a/netlink.c b/netlink.c
index b99af85..c07a13c 100644
--- a/netlink.c
+++ b/netlink.c
@@ -99,7 +99,7 @@ fail:
 /**
  * nl_req() - Send netlink request and read response
  * @ns:		Use netlink socket in namespace
- * @buf:	Buffer for response (at least BUFSIZ long)
+ * @buf:	Buffer for response (at least NLBUFSIZ long)
  * @req:	Request with netlink header
  * @len:	Request length
  *