X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/155f8b88ce0d732fa70beeb0f6957785e1292cf0..055817455466c8eb60392f30bb7c689763962e17:/doc/using.but

diff --git a/doc/using.but b/doc/using.but
index 59109b6f..db457ed3 100644
--- a/doc/using.but
+++ b/doc/using.but
@@ -185,8 +185,8 @@ Should have no effect.
 
 \lcont{
 Only available in SSH-2. Forces a repeat key exchange immediately (and
-resets associated timers and counters). \#{For more information about
-repeat key exchanges, see \k{FIXME}.}
+resets associated timers and counters). For more information about
+repeat key exchanges, see \k{config-ssh-kex-rekey}.
 }
 
 \b \I{Break, SSH special command}Break
@@ -754,6 +754,16 @@ These options are equivalent to selecting your preferred SSH
 protocol version as \q{1 only} or \q{2 only} in the SSH panel of the
 PuTTY configuration box (see \k{config-ssh-prot}).
 
+\S2{using-cmdline-ipversion} \i\c{-4} and \i\c{-6}: specify an
+\i{Internet protocol version}
+
+The \c{-4} and \c{-6} options force PuTTY to use the older Internet
+protocol \i{IPv4} or the newer \i{IPv6}.
+
+These options are equivalent to selecting your preferred Internet
+protocol version as \q{IPv4} or \q{IPv6} in the Connection panel of
+the PuTTY configuration box (see \k{config-address-family}).
+
 \S2{using-cmdline-identity} \i\c{-i}: specify an SSH \i{private key}
 
 The \c{-i} option allows you to specify the name of a private key