diff --git a/functions/pdf.xml b/functions/pdf.xml
index 6637ff2a06..7b99a4b51f 100644
--- a/functions/pdf.xml
+++ b/functions/pdf.xml
@@ -693,7 +693,7 @@ fclose($fp);
    <refsect1>
     <title>Description</title>
     <funcsynopsis>
-     <funcdef>void <function>pdf_show_boxed</function></funcdef>
+     <funcdef>int <function>pdf_show_boxed</function></funcdef>
      <paramdef>int <parameter>pdf document</parameter></paramdef>
      <paramdef>string <parameter>text</parameter></paramdef>
      <paramdef>double <parameter>x-coor</parameter></paramdef>
@@ -708,11 +708,14 @@ fclose($fp);
      at (<parameter>x-coor</parameter>, <parameter>y-coor</parameter>).
      The boxes dimension is <parameter>height</parameter> by 
      <parameter>width</parameter>. The parameter <parameter>mode</parameter>
-     determines how the text is type seet. If <parameter>width</parameter>
+     determines how the text is type set. If <parameter>width</parameter>
      and <parameter>height</parameter> are zero, the
      <parameter>mode</parameter> can be "left", "right" or "center".
      If <parameter>width</parameter> or <parameter>height</parameter> is
-     unequal zero it can also be "justify" or "fulljustify".</para>
+     unequal zero it can also be "justify" and "fulljustify".</para>
+
+    <para>Returns the number of characters that could not be processed because
+     they did not fit into the box.
 
     <para>
      See also <function>PDF_show</function>,