diff --git a/sec.adoc b/sec.adoc
index 9d0059c..98a8be1 100644
--- a/sec.adoc
+++ b/sec.adoc
@@ -1,7 +1,7 @@
 = Ασφάλεια Δικτύων και Επικοινωνιών !
 Apostolos rootApostolos@swarmlab.io
-include::header.adoc[]
 // Metadata:
+:description: Intro and Install
 :keywords: sec, iptables
 :data-uri:
 :toc: right
@@ -11,7 +11,13 @@ include::header.adoc[]
 :sectnums: 
 
 :icons: font
-:description: Intro and Install
+:sourcedir: Homtos
+:sourcedir-root: {sourcedir}
+
+include::header.adoc[]
+
+:sourcedir: {sourcedir-root}
+
 
 
 {empty} +