rl-2211: document nix.checkConfig option changes

Co-authored-by: Sandro <sandro.jaeckel@gmail.com>

nixos/doc/manual/from_md/release-notes/rl-2211.section.xml

@@ -593,6 +593,14 @@
           module removed, due to lack of maintainers.
         </para>
       </listitem>
+      <listitem>
+        <para>
+          The <literal>nix.checkConfig</literal> option now fully
+          disables the config check. The new
+          <literal>nix.checkAllErrors</literal> option behaves like
+          <literal>nix.checkConfig</literal> previously did.
+        </para>
+      </listitem>
       <listitem>
         <para>
           <literal>generateOptparseApplicativeCompletions</literal> and

nixos/doc/manual/release-notes/rl-2211.section.md

@@ -196,6 +196,8 @@ Available as [services.patroni](options.html#opt-services.patroni.enable).
 
 - virtlyst package and `services.virtlyst` module removed, due to lack of maintainers.
 
+- The `nix.checkConfig` option now fully disables the config check. The new `nix.checkAllErrors` option behaves like `nix.checkConfig`  previously did.
+
 - `generateOptparseApplicativeCompletions` and `generateOptparseApplicativeCompletion` from `haskell.lib.compose`
   (and `haskell.lib`) have been deprecated in favor of `generateOptparseApplicativeCompletions` (plural!) as
   provided by the haskell package sets (so `haskellPackages.generateOptparseApplicativeCompletions` etc.).

nixos/modules/services/misc/nix-daemon.nix

@@ -395,7 +395,7 @@ in
         type = types.bool;
         default = true;
         description = lib.mdDoc ''
-          If enabled (the default), checks that Nix can parse the generated nix.conf.
+          If enabled, checks that Nix can parse the generated nix.conf.
         '';
       };
 
@@ -403,7 +403,7 @@ in
         type = types.bool;
         default = true;
         description = lib.mdDoc ''
-          If enabled (the default), checks the nix.conf parsing for any kind of error. When disabled, checks only for unknown settings.
+          If enabled, checks the nix.conf parsing for any kind of error. When disabled, checks only for unknown settings.
         '';
       };