diff --git a/doc/ChangeLog b/doc/ChangeLog
index 8a8b1aee4..aaea7a303 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -1,3 +1,7 @@
+2003-04-15  Werner Koch  <wk@gnupg.org>
+
+	* gpg.sgml: Document --enable-progress-filter.
+
 2003-04-07  David Shaw  <dshaw@jabberwocky.com>
 
 	* DETAILS: Don't specify which hash is used to make up the
diff --git a/doc/gpg.sgml b/doc/gpg.sgml
index fc6450409..2cd93f217 100644
--- a/doc/gpg.sgml
+++ b/doc/gpg.sgml
@@ -1,5 +1,6 @@
 <!-- gpg.sgml - the man page for GnuPG
-    Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+    Copyright (C) 1998, 1999, 2000, 2001, 2002,
+                  2003 Free Software Foundation, Inc.
 
     This file is part of GnuPG.
 
@@ -1365,6 +1366,15 @@ be given in C syntax (e.g. 0x0042).
 </para></listitem></varlistentry>
 
 
+<varlistentry>
+<term>--enable-progress-filter</term>
+<listitem><para>
+Enable certain PROGRESS status outputs.  This option allows frontends
+to display a progress indicator while gpg is processing larger files.
+There is a slight performance overhead using it.
+</para></listitem></varlistentry>
+
+
 <varlistentry>
 <term>--status-fd &ParmN;</term>
 <listitem><para>