diff --git a/taglib/mpeg/id3v1/id3v1tag.h b/taglib/mpeg/id3v1/id3v1tag.h
index ad3fed99..9332d4dc 100644
--- a/taglib/mpeg/id3v1/id3v1tag.h
+++ b/taglib/mpeg/id3v1/id3v1tag.h
@@ -154,8 +154,11 @@ namespace TagLib {
       /*!
        * Sets the string handler that decides how the ID3v1 data will be
        * converted to and from binary data.
-       * If the parameter \a handler is null, default ISO-8859-1 handler
-       * is restored.
+       * If the parameter \a handler is null, the previous handler is
+       * released and default ISO-8859-1 handler is restored.
+       *
+       * \note The caller is responsible for deleting the previous handler
+       * as needed after it is released.
        *
        * \see StringHandler
        */