diff --git a/dev-util/quilttools/metadata.xml b/dev-util/quilttools/metadata.xml
index 390df7d285..0e0d939f9e 100644
--- a/dev-util/quilttools/metadata.xml
+++ b/dev-util/quilttools/metadata.xml
@@ -5,7 +5,7 @@
     <email>kurt@kmk-computers.de</email>
     <name>Kurt Kanzenbach</name>
   </maintainer>
-  <longdescription>
+  <longdescription lang="en">
     mb2q analyses the complete mailbox and collects various tags (Reviewed-by,
     Acked-by, Tested-by) from replies to individual patches and to the cover
     letter. If a tag is in a reply to the cover letter it is applied to all