diff --git a/nixos/doc/manual/release-notes/release-notes.xml b/nixos/doc/manual/release-notes/release-notes.xml
index 70cd2d6070b..e326f89d4f4 100644
--- a/nixos/doc/manual/release-notes/release-notes.xml
+++ b/nixos/doc/manual/release-notes/release-notes.xml
@@ -9,7 +9,7 @@
 <para>This section lists the release notes for each stable version of NixOS
 and current unstable revision.</para>
 
-<xi:include href="rl-unstable.xml" />
+<xi:include href="rl-1509.xml" />
 <xi:include href="rl-1412.xml" />
 <xi:include href="rl-1404.xml" />
 <xi:include href="rl-1310.xml" />
diff --git a/nixos/doc/manual/release-notes/rl-unstable.xml b/nixos/doc/manual/release-notes/rl-1509.xml
similarity index 98%
rename from nixos/doc/manual/release-notes/rl-unstable.xml
rename to nixos/doc/manual/release-notes/rl-1509.xml
index 8fbac05e968..d7d3d1a7fb1 100644
--- a/nixos/doc/manual/release-notes/rl-unstable.xml
+++ b/nixos/doc/manual/release-notes/rl-1509.xml
@@ -2,9 +2,9 @@
          xmlns:xlink="http://www.w3.org/1999/xlink"
          xmlns:xi="http://www.w3.org/2001/XInclude"
          version="5.0"
-         xml:id="sec-release-unstable">
+         xml:id="sec-release-15.09">
 
-<title>Release 15.07 (“Dingo”, 2015/07/??)</title>
+<title>Release 15.09 (“Dingo”, 2015/09/??)</title>
 
 <para>In addition to numerous new and upgraded packages, this release has the following highlights: