diff --git a/gnu/packages/linux.scm b/gnu/packages/linux.scm
index d7a80ab491..6e26cd3b2a 100644
--- a/gnu/packages/linux.scm
+++ b/gnu/packages/linux.scm
@@ -5640,7 +5640,7 @@ (define-public btrfs-progs
                      ("which" ,which)))
     (home-page "https://btrfs.wiki.kernel.org/index.php/Main_Page")
     (synopsis "Create and manage btrfs copy-on-write file systems")
-    (description "Btrfs is a @dfn{copy-on-write} (CoW) file system for Linux
+    (description "Btrfs is a @acronym{CoW, copy-on-write} file system for Linux
 aimed at implementing advanced features while focusing on fault tolerance,
 repair and easy administration.")
     ;; GPL2+: crc32.c, radix-tree.c, raid6.c, rbtree.c.