1 files changed, 2 insertions, 2 deletions
diff --git a/nixos/doc/manual/from_md/installation/upgrading.chapter.xml b/nixos/doc/manual/from_md/installation/upgrading.chapter.xml
index f6aedc800aca5..9f4cfaf36b628 100644
--- a/nixos/doc/manual/from_md/installation/upgrading.chapter.xml
+++ b/nixos/doc/manual/from_md/installation/upgrading.chapter.xml
@@ -128,7 +128,7 @@ nixos https://nixos.org/channels/nixos-unstable
       You can keep a NixOS system up-to-date automatically by adding the
       following to <literal>configuration.nix</literal>:
     </para>
-    <programlisting language="bash">
+    <programlisting language="nix">
 system.autoUpgrade.enable = true;
 system.autoUpgrade.allowReboot = true;
 </programlisting>
@@ -145,7 +145,7 @@ system.autoUpgrade.allowReboot = true;
       contains a different kernel, initrd or kernel modules. You can
       also specify a channel explicitly, e.g.
     </para>
-    <programlisting language="bash">
+    <programlisting language="nix">
 system.autoUpgrade.channel = https://nixos.org/channels/nixos-22.11;
 </programlisting>
   </section>