--- en/reference/ktaglib/audioproperties/isProtectionEnabled.xml
+++ en/reference/ktaglib/audioproperties/isProtectionEnabled.xml
@@ -3,7 +3,7 @@
 <refentry xml:id="audioproperties.isprotectionenabled" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
   <refname>KTaglib_MPEG_AudioProperties::isProtectionEnabled</refname>
-  <refpurpose>Returns the length of a MPEG file</refpurpose>
+  <refpurpose>Returns if protection mechanism of an MPEG file is enabled</refpurpose>
  </refnamediv>
  <refsect1 role="description">
   &reftitle.description;
@@ -14,13 +14,13 @@
    <void />
   </methodsynopsis>
   <para>
-   Returns true if protection mechanism (like DRM) are enabled for this file
+   Returns true if protection mechanism (like DRM) is enabled for this file
   </para>
  </refsect1>
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   Returns true if protection mechanism (like DRM) are enabled for this file
+   Returns true if protection mechanism (like DRM) is enabled for this file
   </para>
  </refsect1>