diff --git a/nixos/doc/manual/configuration/configuration.xml b/nixos/doc/manual/configuration/configuration.xml
index 26f8ebad7344..2d5281829ed5 100644
--- a/nixos/doc/manual/configuration/configuration.xml
+++ b/nixos/doc/manual/configuration/configuration.xml
@@ -25,14 +25,10 @@ effect after you run <command>nixos-rebuild</command>.</para>
 <xi:include href="linux-kernel.xml" />
 <xi:include href="grsecurity.xml" />
 
-<!-- FIXME: auto-include NixOS module docs -->
-<xi:include href="postgresql.xml" />
-<xi:include href="gitlab.xml" />
-<xi:include href="taskserver.xml" />
-<xi:include href="acme.xml" />
-<xi:include href="input-methods.xml" />
 <xi:include href="emacs.xml" />
+<xi:include href="modules.xml" xpointer="xpointer(//section[@id='modules']/*)" />
 
 <!-- Apache; libvirtd virtualisation -->
 
 </part>
+
diff --git a/nixos/doc/manual/default.nix b/nixos/doc/manual/default.nix
index 2592766ee496..0f0c6e66e4c0 100644
--- a/nixos/doc/manual/default.nix
+++ b/nixos/doc/manual/default.nix
@@ -1,4 +1,4 @@
-{ pkgs, options, version, revision, extraSources ? [] }:
+{ pkgs, options, config, version, revision, extraSources ? [] }:
 
 with pkgs;
 
@@ -51,6 +51,14 @@ let
 
   sources = lib.sourceFilesBySuffices ./. [".xml"];
 
+  modulesDoc = builtins.toFile "modules.xml" ''
+    <section xmlns:xi="http://www.w3.org/2001/XInclude" id="modules">
+    ${(lib.concatMapStrings (path: ''
+      <xi:include href="${path}" />
+    '') (lib.catAttrs "value" config.meta.doc))}
+    </section>
+  '';
+
   copySources =
     ''
       cp -prd $sources/* . # */
@@ -61,6 +69,7 @@ let
       cp ${../../modules/security/acme.xml} configuration/acme.xml
       cp ${../../modules/i18n/input-method/default.xml} configuration/input-methods.xml
       cp ${../../modules/services/editors/emacs.xml} configuration/emacs.xml
+      ln -s ${modulesDoc} configuration/modules.xml
       ln -s ${optionsDocBook} options-db.xml
       echo "${version}" > version
     '';
diff --git a/nixos/modules/services/misc/nixos-manual.nix b/nixos/modules/services/misc/nixos-manual.nix
index a60d5f7983bc..306ee346523d 100644
--- a/nixos/modules/services/misc/nixos-manual.nix
+++ b/nixos/modules/services/misc/nixos-manual.nix
@@ -17,7 +17,7 @@ let
     Caveat: even if the package is reached by a different means,
     the path above will be shown and not e.g. `${config.services.foo.package}`. */
   manual = import ../../../doc/manual {
-    inherit pkgs;
+    inherit pkgs config;
     version = config.system.nixosRelease;
     revision = "release-${config.system.nixosRelease}";
     options =
diff --git a/nixos/modules/services/misc/taskserver/default.nix b/nixos/modules/services/misc/taskserver/default.nix
index c846ffd04551..c9ac696c0460 100644
--- a/nixos/modules/services/misc/taskserver/default.nix
+++ b/nixos/modules/services/misc/taskserver/default.nix
@@ -534,6 +534,6 @@ in {
     (mkIf (cfg.enable && cfg.listenHost != "localhost") {
       networking.firewall.allowedTCPPorts = [ cfg.listenPort ];
     })
-    { meta.doc = ./taskserver.xml; }
+    { meta.doc = ./doc.xml; }
   ];
 }