diff --git a/modules/misc/fontconfig.nix b/modules/misc/fontconfig.nix
index 756f45699..74415c2fc 100644
--- a/modules/misc/fontconfig.nix
+++ b/modules/misc/fontconfig.nix
@@ -77,8 +77,10 @@ in {
 
         <!-- Generated by Home Manager. -->
 
-        <!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>
+        <!DOCTYPE fontconfig SYSTEM 'urn:fontconfig:fonts.dtd'>
         <fontconfig>
+          <description>Add fonts in the Nix user profile</description>
+
           <include ignore_missing="yes">${config.home.path}/etc/fonts/conf.d</include>
           <include ignore_missing="yes">${config.home.path}/etc/fonts/fonts.conf</include>