diff --git a/functions/fdf.xml b/functions/fdf.xml
index cbbdd8cb3e..25cc27b3bd 100644
--- a/functions/fdf.xml
+++ b/functions/fdf.xml
@@ -1,4 +1,4 @@
-<!-- $Revision: 1.15 $ -->
+<!-- $Revision: 1.16 $ -->
  <reference id="ref.fdf">
   <title>Forms Data Format functions</title>
   <titleabbrev>FDF</titleabbrev>
@@ -21,7 +21,7 @@
    </simpara></note>
 
    <simpara>
-    The general idea of FDF is similar to HTML forms. The diffence is
+    The general idea of FDF is similar to HTML forms. The difference is
     basically the format how data is transmitted to the server when the submit
     button is pressed (this is actually the Form Data Format) and the format
     of the form itself (which is the Portable Document Format, PDF).
@@ -42,7 +42,7 @@
     catalogue object with the name <literal>FDF</literal>. Such an object may
     contain a number of entries like <literal>Fields</literal>,
     <literal>F</literal>, <literal>Status</literal> etc..
-    The most commonly used entries are <literal>Fields</literal> whicht points
+    The most commonly used entries are <literal>Fields</literal> which points
     to a list of input fields, and <literal>F</literal> which contains the
     filename of the PDF-document this data belongs to. Those entries are
     referred to in the FDF documention as /F-Key or /Status-Key.
@@ -227,7 +227,7 @@ unlink("outtest.fdf");
      the parameter <parameter>filename</parameter>
      is '.'. This does not work if PHP is used as an apache module.
      In such a case one will have to write to a file and use e.g.
-     <function>fpassthru</function>. to output it.</para>
+     <function>fpassthru</function> to output it.</para>
 
     <para>
      See also <function>fdf_close</function> and example for
@@ -494,7 +494,7 @@ unlink("outtest.fdf");
   <refentry id="function.fdf-set-submit-form-action">
    <refnamediv>
     <refname>fdf_set_submit_form_action</refname>
-    <refpurpose>Sets an javascript action of a field</refpurpose>
+    <refpurpose>Sets a submit form action of a field</refpurpose>
    </refnamediv>
    <refsect1>
     <title>Description</title>