diff --git a/Shorewall-docs/ECN.xml b/Shorewall-docs/ECN.xml
index 1391f2ea2..41f930244 100644
--- a/Shorewall-docs/ECN.xml
+++ b/Shorewall-docs/ECN.xml
@@ -2,6 +2,8 @@
 <!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <article id="ECN">
+  <!--$Id$-->
+
   <articleinfo>
     <title>ECN</title>
 
diff --git a/Shorewall-docs/FAQ.xml b/Shorewall-docs/FAQ.xml
index b3b755cb6..0c91e539f 100644
--- a/Shorewall-docs/FAQ.xml
+++ b/Shorewall-docs/FAQ.xml
@@ -2,6 +2,8 @@
 <!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <article>
+  <!--$Id$-->
+
   <articleinfo>
     <title>Shorewall FAQs</title>
 
diff --git a/Shorewall-docs/FTP.xml b/Shorewall-docs/FTP.xml
index efd6e488b..bc104ce82 100644
--- a/Shorewall-docs/FTP.xml
+++ b/Shorewall-docs/FTP.xml
@@ -2,6 +2,8 @@
 <!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <article id="FTP">
+  <!--$Id$-->
+
   <articleinfo>
     <title>Shorewall and FTP</title>
 
diff --git a/Shorewall-docs/GenericTunnels.xml b/Shorewall-docs/GenericTunnels.xml
index 31c4970dd..a89334e79 100644
--- a/Shorewall-docs/GenericTunnels.xml
+++ b/Shorewall-docs/GenericTunnels.xml
@@ -2,6 +2,8 @@
 <!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <article id="GenericTunnels">
+  <!--$Id$-->
+
   <articleinfo>
     <title>Generic Tunnels</title>
 
diff --git a/Shorewall-docs/IPIP.xml b/Shorewall-docs/IPIP.xml
index 63aa448cc..143012bf9 100644
--- a/Shorewall-docs/IPIP.xml
+++ b/Shorewall-docs/IPIP.xml
@@ -2,6 +2,8 @@
 <!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <article id="IPIP">
+  <!--$Id$-->
+
   <articleinfo>
     <title>GRE and IPIP Tunnels</title>
 
diff --git a/Shorewall-docs/IPSEC.xml b/Shorewall-docs/IPSEC.xml
index c8b67ede1..04490e448 100644
--- a/Shorewall-docs/IPSEC.xml
+++ b/Shorewall-docs/IPSEC.xml
@@ -2,6 +2,8 @@
 <!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <article id="IPSEC">
+  <!--$Id$-->
+
   <articleinfo>
     <title>IPSEC Tunnels</title>
 
diff --git a/Shorewall-docs/Install.xml b/Shorewall-docs/Install.xml
index 217592c68..fac4317e5 100644
--- a/Shorewall-docs/Install.xml
+++ b/Shorewall-docs/Install.xml
@@ -2,6 +2,8 @@
 <!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <article id="Install">
+  <!--$Id$-->
+
   <articleinfo>
     <title>Shorewall Installation and Upgrade</title>
 
diff --git a/Shorewall-docs/Introduction.xml b/Shorewall-docs/Introduction.xml
index 42731e59a..06289e3b2 100644
--- a/Shorewall-docs/Introduction.xml
+++ b/Shorewall-docs/Introduction.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!-- $Id$ -->
 <article id="usefull_links">
+  <!--$Id$-->
+
   <articleinfo>
     <title>Introduction</title>