diff --git a/pages/linux/iptables.md b/pages/linux/iptables.md
index e65702206d..5b1db17695 100644
--- a/pages/linux/iptables.md
+++ b/pages/linux/iptables.md
@@ -1,8 +1,9 @@
 # iptables
 
 > Program that allows configuration of tables, chains and rules provided by the Linux kernel firewall.
+> More information: <https://www.netfilter.org/projects/iptables/>.
 
-- View chains, rules, and packet/byte counters for all tables:
+- View chains, rules, and packet/byte counters for the filter table:
 
 `sudo iptables -vnL`