<varlistentry>
<term>-m|--max-protocol protocol</term>
- <listitem><para>This parameter sets the maximum protocol version announced by the client.
+ <listitem><para>This allows the user to select the
+ highest SMB protocol level that smbclient will use to
+ connect to the server. By default this is set to
+ NT1, which is the highest available SMB1 protocol.
+ To connect using SMB2 or SMB3 protocol, use the
+ strings SMB2 or SMB3 respectively. Note that to connect
+ to a Windows 2012 server with encrypted transport selecting
+ a max-protocol of SMB3 is required.
</para></listitem>
</varlistentry>