Minor man page update

ChangeLog

+2006-01-03 Alpt <alpt@freaknet.org>
+
+	* Ip man page addition
+
 2006-01-03  Jamal Hadi Salim <hadi@znyx.com>
 
 	* Documentation for ifb

man/man8/ip.8

@@ -211,7 +211,7 @@ throw " | " unreachable " | " prohibit " | " blackhole " | " nat " ]"
 
 .ti -8
 .B  ip rule
-.RB " [ " list " | " add " | " del " ]"
+.RB " [ " list " | " add " | " del " | " flush " ]"
 .I  SELECTOR ACTION
 
 .ti -8
@@ -1574,6 +1574,9 @@ immediately.  It is assumed that after a script finishes a batch of
 updates, it flushes the routing cache with
 .BR "ip route flush cache" .
 
+.SS ip rule flush - also dumps all the deleted rules.
+This command has no arguments.
+
 .SS ip rule show - list rules
 This command has no arguments.