diff --git a/iptables/modules/ROOT/images/tables_traverse.jpg b/iptables/modules/ROOT/images/tables_traverse.jpg
new file mode 100644
index 0000000..782a703
Binary files /dev/null and b/iptables/modules/ROOT/images/tables_traverse.jpg differ
diff --git a/iptables/modules/ROOT/pages/index.adoc b/iptables/modules/ROOT/pages/index.adoc
index e98264b..0ec2caa 100644
--- a/iptables/modules/ROOT/pages/index.adoc
+++ b/iptables/modules/ROOT/pages/index.adoc
@@ -88,7 +88,7 @@ iptables is the user utility which allows you to work with these chains/rules.
 .Understanding how iptables works
 [NOTE]
 ====
-The key to understanding how iptables works is http://docs.swarmlab.io/lab/sec/tables_traverse.jpg[this chart].  
+The key to understanding how iptables works is image::ROOT:tables_traverse.jpg[this chart].  
 
 The lowercase word on top is the **table** and the upper case word below is the **chain**.