diff --git a/gnu/packages/audio.scm b/gnu/packages/audio.scm
index 3ae2b1ba47..d8569096ab 100644
--- a/gnu/packages/audio.scm
+++ b/gnu/packages/audio.scm
@@ -1646,7 +1646,7 @@ (define-public liblo
     (synopsis "Implementation of the Open Sound Control protocol")
     (description
      "liblo is a lightweight library that provides an easy to use
-implementation of the Open Sound Control (OSC) protocol.")
+implementation of the Open Sound Control (@dfn{OSC}) protocol.")
     (license license:lgpl2.1+)))
 
 (define-public python-pyaudio