diff --git a/doc/quick-start.xml b/doc/quick-start.xml
index dddbbb4a19ec..a14de4077dbd 100644
--- a/doc/quick-start.xml
+++ b/doc/quick-start.xml
@@ -173,7 +173,7 @@ $ git add pkgs/development/libraries/libfoo/default.nix</screen>
     <para>The exact syntax and semantics of the Nix expression
     language, including the built-in function, are described in the
     Nix manual in the <link
-    xlink:href="http://nixos.org/releases/nix/unstable/manual/#chap-writing-nix-expressions">chapter
+    xlink:href="http://hydra.nixos.org/job/nix/trunk/tarball/latest/download-by-type/doc/manual/#chap-writing-nix-expressions">chapter
     on writing Nix expressions</link>.</para>
     
   </listitem>