diff --git a/functions/ftp.xml b/functions/ftp.xml
index c206d50d25..dd78c86e9f 100644
--- a/functions/ftp.xml
+++ b/functions/ftp.xml
@@ -6,7 +6,7 @@
    <para>
     The functions in this extension implement client access to file
     servers speaking the File Transfer Protocol FTP as defined in 
-    &spef.ftp;.
+    &spec.ftp;.
    </para>
 
    <para>