diff --git a/doc/contributing.xml b/doc/contributing.xml
new file mode 100644
index 000000000000..bcea404baee0
--- /dev/null
+++ b/doc/contributing.xml
@@ -0,0 +1,21 @@
+<chapter xmlns="http://docbook.org/ns/docbook"
+         xmlns:xlink="http://www.w3.org/1999/xlink"
+         xml:id="chap-contributing">
+
+<title>Contributing</title>
+
+<para>If you make modifications to the manual, it's important to build the manual before contributing:</para>
+
+<orderedlist>
+
+  <listitem><para><command>$ git clone git://github.com/NixOS/nixpkgs.git</command></para></listitem>
+
+  <listitem><para><command>$ cd nixpkgs/pkgs/top-level</command></para></listitem>
+
+  <listitem><para><command>$ nix-build -A tarball release.nix</command></para></listitem>
+  
+  <listitem><para>Inside the built derivation you shall see <literal>manual/index.html</literal> file.</para></listitem>
+
+</orderedlist>
+
+</chapter>
diff --git a/doc/manual.xml b/doc/manual.xml
index d2c07859b281..145e3e12dd92 100644
--- a/doc/manual.xml
+++ b/doc/manual.xml
@@ -32,6 +32,7 @@
   <xi:include href="language-support.xml" />
   <xi:include href="package-notes.xml" />
   <xi:include href="coding-conventions.xml" />
+  <xi:include href="contributing.xml" />
   
         
 </book>