diff --git a/doc/ChangeLog b/doc/ChangeLog
index b40cd932..59285267 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -1,3 +1,7 @@
+2005-04-20  Hrvoje Niksic  <hniksic@xemacs.org>
+
+	* wget.texi: Document behavior of -6 wrt mapped IPv4 addresses.
+
 2005-04-20  Hrvoje Niksic  <hniksic@xemacs.org>
 
 	* wget.texi: Document IPv6 related options.
diff --git a/doc/wget.texi b/doc/wget.texi
index 5e237f6b..dcfa95bc 100644
--- a/doc/wget.texi
+++ b/doc/wget.texi
@@ -899,6 +899,11 @@ or to deal with broken network configuration.  Only one of
 @samp{--inet6-only} and @samp{--inet4-only} may be specified in the
 same command.  Neither option is available in Wget compiled without
 IPv6 support.
+
+Note: the current implementation of the @samp{-6} switch allows IPv4
+addresses mapped into IPv6 addresses to be connected to.  This usage
+is not intended to be condoned, and it might be removed in a later
+version.
 @end table
 
 @node Directory Options