--- en/reference/ktaglib/audioproperties/isCopyrighted.xml
+++ en/reference/ktaglib/audioproperties/isCopyrighted.xml
@@ -3,7 +3,7 @@
 <refentry xml:id="audioproperties.iscopyrighted" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
   <refname>KTaglib_MPEG_AudioProperties::isCopyrighted</refname>
-  <refpurpose>Returns the length of a MPEG file</refpurpose>
+  <refpurpose>Returns if a MPEG file is copyrighted</refpurpose>
  </refnamediv>
  <refsect1 role="description">
   &reftitle.description;