diff --git a/miniupnpd/README b/miniupnpd/README
index b7e9d12..6ad3526 100644
--- a/miniupnpd/README
+++ b/miniupnpd/README
@@ -20,19 +20,18 @@ In 2012, IGD v2 WANIPv6FirewallControl has been implemented.
 IGD2 is still not enabled by default because of interoperability
 issues.
 
-Support for the NAT Port Mapping Protocol (NAT-PMP) has been
-added. See information about NAT-PMP here :
-http://miniupnp.free.fr/nat-pmp.html
+In addition to UPnP IGD, miniUPnPd supports NAT-PMP and PCP :
 
-NAT-PMP is the precursor of Port Control Protocol (PCP).
+See information about NAT Port Mapping Protocol (NAT-PMP) here :
+http://miniupnp.free.fr/nat-pmp.html
+NAT-PMP is the precursor of Port Control Protocol (PCP, RFC 6887).
 In 2013, support for PCP has been added too.
 
 Read the INSTALL file for instructions to compile, install and
 configure miniupnpd on your system.
 
-Report bugs to miniupnp@free.fr on the web forum
+Report bugs to miniupnp@free.fr or on the web forum
 http://miniupnp.tuxfamily.org/forum/
 or using https://github.com/miniupnp/miniupnp/issues
 
 Thomas Bernard
-