diff --git a/functions/ftp.xml b/functions/ftp.xml
index 9e7fbb216c..c206d50d25 100644
--- a/functions/ftp.xml
+++ b/functions/ftp.xml
@@ -4,7 +4,10 @@
 
   <partintro>
    <para>
-    FTP stands for File Transfer Protocol.</para>
+    The functions in this extension implement client access to file
+    servers speaking the File Transfer Protocol FTP as defined in 
+    &spef.ftp;.
+   </para>
 
    <para>
     The following constants are defined when using the FTP module: