diff --git a/functions/pdf.sgml b/functions/pdf.sgml
index 298cfe110e..dc7e88ef3e 100644
--- a/functions/pdf.sgml
+++ b/functions/pdf.sgml
@@ -148,7 +148,7 @@ fclose($fp);
      Doing the same with pdflib 2.x looks like the following:
 
     <example>
-     <title>Creating a PDF document with pdflib 2.0</title>
+     <title>Creating a PDF document with pdflib 2.x</title>
      <programlisting>
 &lt;?php
 $fp = fopen("test.pdf", "w");
@@ -178,12 +178,12 @@ echo "&lt;A HREF=getpdf.php3>finished&lt;/A>";
 
   The pdflib distribution contains a more complex example which
   creates a serious of pages with an analog clock. This example
-  converted into PHP using pdflib 2.0 looks as the following (you
+  converted into PHP using pdflib 2.x looks as the following (you
   can see the same example in the documentation for the
   <link linkend="ref.cpdf">clibpdf module)</link>:
 
     <example>
-     <title>pdfclock example from pdflib 2.0 distribution</title>
+     <title>pdfclock example from pdflib 2.x distribution</title>
      <programlisting>
 &lt;?php
 $pdffilename = "clock.pdf";
@@ -290,7 +290,7 @@ fclose($fp);
   <refentry id="function.pdf-get-info">
    <refnamediv>
     <refname>PDF_get_info</refname>
-    <refpurpose>Returns a default info structure for a pdf document</refpurpose>
+    <refpurpose>Returns an empty info structure for a pdf document</refpurpose>
    </refnamediv>
    <refsect1>
     <title>Description</title>
@@ -299,13 +299,13 @@ fclose($fp);
      <paramdef>string <parameter>filename</parameter></paramdef>
     </funcsynopsis>
     <para>
-     The <function>PDF_get_info</function> function returns a
-     default info structure for the pdf document. It should be filled
+     The <function>PDF_get_info</function> function returns an
+     empty info structure for the pdf document. It should be filled
      with appropriate information like the author, subject etc. of
      the document.
 
     <note><simpara>
-     This functions is not available if pdflib 2.0 support is activated.
+     This functions is not available if pdflib 2.x support is activated.
     </simpara></note></para>
 
     <para>
@@ -331,7 +331,7 @@ fclose($fp);
     </funcsynopsis>
     <para>
      The <function>PDF_set_info_creator</function> function sets the
-     creator of a pdf document. It has to be called after
+     creator field of a pdf document. It has to be called after
      <function>PDF_get_info</function> and before
      <function>PDF_open</function>. Calling it after <function>PDF_open</function>
      will have no effect on the document.
@@ -341,7 +341,7 @@ fclose($fp);
     </simpara></note>
 
     <note><simpara>
-     This function takes a different first parameter if pdflib 2.0 support
+     This function takes a different first parameter if pdflib 2.x support
      is activated. The first parameter has to be the identifier of the
      pdf document as returned by <function>pdf_open</function>. Consequently,
      <function>pdf_open</function> has to be called before this function.