diff -ru linux.orig/net/ipv4/Kconfig linux/net/ipv4/Kconfig
--- linux.orig/net/ipv4/Kconfig	2004-12-22 12:58:03.000000000 +0100
+++ linux/net/ipv4/Kconfig	2004-12-22 13:00:36.000000000 +0100
@@ -355,7 +355,8 @@
 	default y
 	---help---
 	  Support for TCP socket monitoring interface used by native Linux
-	  tools such as ss.
+	  tools such as ss. ss comes from iproute2.
+	  http://developer.osdl.org/dev/iproute2/
 	  
 	  If unsure, say Y.