diff --git a/man/file-hierarchy.xml b/man/file-hierarchy.xml
index 37cb2002d4..f41039b964 100644
--- a/man/file-hierarchy.xml
+++ b/man/file-hierarchy.xml
@@ -40,16 +40,16 @@
     <title>Description</title>
 
     <para>Operating systems using the
-    <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>
-    system and service manager are organized based on a file system
-    hierarchy inspired by UNIX, more specifically the hierarchy
-    described in the <ulink
-    url="http://refspecs.linuxfoundation.org/FHS_3.0/fhs-3.0.html">File
-    System Hierarchy</ulink> specification and
-    <citerefentry project='man-pages'><refentrytitle>hier</refentrytitle><manvolnum>7</manvolnum></citerefentry>.
-    This manual page describes a more minimal, modernized subset of
-    these specifications that defines more strictly the suggestions
-    and restrictions systemd makes on the file system
+    <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry> system and service
+    manager are organized based on a file system hierarchy inspired by UNIX, more specifically the hierarchy described
+    in the <ulink url="http://refspecs.linuxfoundation.org/FHS_3.0/fhs-3.0.html">File System Hierarchy</ulink>
+    specification and <citerefentry
+    project='man-pages'><refentrytitle>hier</refentrytitle><manvolnum>7</manvolnum></citerefentry>, with various
+    extensions, partially documented in the <ulink
+    url="http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html">XDG Base Directory
+    Specification</ulink> and <ulink url="https://www.freedesktop.org/wiki/Software/xdg-user-dirs/">XDG User
+    Directories</ulink>. This manual page describes a more generalized, though minimal and modernized subset of these
+    specifications that defines more strictly the suggestions and restrictions systemd makes on the file system
     hierarchy.</para>
 
     <para>Many of the paths described here can be queried