diff --git a/INSTALL b/INSTALL
index bf46e55d..7e14d997 100644
--- a/INSTALL
+++ b/INSTALL
@@ -30,10 +30,7 @@ configure options
 
   --enable-ipv6
 
-  Enable IPv6 support. If you want irssi to prefer
-  IPv6 for hosts that have both v4 and v6 addresses,
-  use /SET resolve_prefer_ipv6 ON. You can also override
-  this with /SERVER -4 or -6 options.
+  Enable IPv6 support.
 
   --with-perl=static
 
diff --git a/docs/manual.txt b/docs/manual.txt
index 9dd298d4..4bcb11f3 100644
--- a/docs/manual.txt
+++ b/docs/manual.txt
@@ -429,6 +429,9 @@
 	After connected to server, Irssi can automatically change your user
 	mode. You can set it with /SET usermode <mode>, default is +i.
 
+	/SET resolve_prefer_ipv6 - If ON, prefer IPv6 for hosts that
+	     have both v4 and v6 addresses.
+
  5.5 Automatic reconnecting
 
 	If you get disconnected from server, Irssi will try to reconnect