diff --git a/etc/fonts/conf.d/70-no-bitmaps-firefox.conf b/etc/fonts/conf.d/70-no-bitmaps-firefox.conf
index ec6cac1..2862ae7 100644
--- a/etc/fonts/conf.d/70-no-bitmaps-firefox.conf
+++ b/etc/fonts/conf.d/70-no-bitmaps-firefox.conf
@@ -1,7 +1,7 @@
 <?xml version='1.0'?>
 <!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>
 <fontconfig>
-  <description>Disable bitmap fonts for Firefox/pdf.js to work around https://bugzilla.mozilla.org/show_bug.cgi?id=1839860</description>
+  <!-- Disable bitmap fonts for Firefox/pdf.js to work around https://bugzilla.mozilla.org/show_bug.cgi?id=1839860 -->
 
   <match>
     <test qual="all" name="prgname" target="pattern" compare="eq">