Merge #45957: nixos manual: releases workflow improvements

Let's merge NOW; I'm not doing the same mistake again.

nixos/doc/manual/development/releases.xml

@@ -45,12 +45,12 @@
     <listitem>
      <para>
       <literal>git tag -a -s -m &quot;Release 17.09-beta&quot; 17.09-beta
-      &amp;&amp; git push --tags</literal>
+      &amp;&amp; git push origin 17.09-beta</literal>
      </para>
     </listitem>
     <listitem>
      <para>
-      From the master branch run <literal>git checkout -B
+      From the master branch run <literal>git checkout -b
       release-17.09</literal>.
      </para>
     </listitem>
@@ -157,7 +157,7 @@
     <listitem>
      <para>
       Release Nix (currently only Eelco Dolstra can do that).
-      <link xlink:href="https://github.com/NixOS/nixpkgs/commit/53710c752a85f00658882531bc90a23a3d1287e4">
+      <link xlink:href="https://github.com/NixOS/nixpkgs/blob/master/nixos/modules/installer/tools/nix-fallback-paths.nix">
       Make sure fallback is updated. </link>
      </para>
     </listitem>
@@ -169,8 +169,8 @@
     </listitem>
     <listitem>
      <para>
-      Change <literal>stableBranch</literal> to true and wait for channel to
+      Change <literal>stableBranch</literal> to <literal>true</literal> in Hydra and wait for
-      update.
+      the channel to update.
      </para>
     </listitem>
    </itemizedlist>
@@ -193,9 +193,11 @@
     </listitem>
     <listitem>
      <para>
-      Update http://nixos.org/nixos/download.html and
+      Update the
-      http://nixos.org/nixos/manual in
+      <link xlink:href="https://github.com/NixOS/nixos-homepage/commit/2a37975d5a617ecdfca94696242b6f32ffcba9f1"><code>NIXOS_SERIES</code></link>
-      https://github.com/NixOS/nixos-org-configurations
+      in the
+      <link xlink:href="https://github.com/NixOS/nixos-homepage">nixos-homepage</link>
+      repository.
      </para>
     </listitem>
     <listitem>
@@ -212,7 +214,8 @@
     </listitem>
     <listitem>
      <para>
-      Send an email to nix-dev to announce the release with above information.
+      Create a new topic on <link xlink:href="https://discourse.nixos.org/">the
+      Discourse instance</link> to announce the release with the above information.
       Best to check how previous email was formulated to see what needs to be
       included.
      </para>