@@ -33463,12 +33463,17 @@ format).
For instance, if @option{--tftp-root} is @samp{/tftp} and client
@samp{1.2.3.4} requests file @file{myfile} then the effective path will
be @file{/tftp/1.2.3.4/myfile} if @file{/tftp/1.2.3.4} exists or
-@file{/tftp/myfile} otherwise. When @samp{=mac} is specified it will
+@file{/tftp/myfile} otherwise. When @samp{mac} is specified it will
append the MAC address instead, using lowercase zero padded digits
separated by dashes, e.g.: @samp{01-02-03-04-aa-bb}. Note that
resolving MAC addresses is only possible if the client is in the local
network or obtained a DHCP lease from dnsmasq.
+The empty string yields a naked @option{--tftp-unique-root} argument to
+@command{dnsmasq}; any other string @samp{str} will yield
+@option{--tftp-unique-root=str}. Currently admissible values for
+@command{dnsmasq} are @samp{mac} and @samp{ip}.
+
@end table
@end deftp