diff --git a/chan_capi.c b/chan_capi.c
index 7484467..83cf78a 100644
--- a/chan_capi.c
+++ b/chan_capi.c
@@ -128,6 +128,7 @@ static char *commandtdesc = "CAPI command interface.\n"
 "\"d\":use callerID from capi.conf, \"o\":overlap sending number\n"
 "\n"
 "capicommand() where () can be:\n"
+"\"progress\" send progress (for NT mode)\n"
 "\"deflect|to_number\" forwards an unanswered call to number\n"
 "\"malicous\" report a call of malicious nature\n"
 "\"echocancel|<yes> or <no>\" echo-cancel provided by driver/hardware\n"
@@ -136,6 +137,7 @@ static char *commandtdesc = "CAPI command interface.\n"
 "\"hold[|MYHOLDVAR]\" puts an answered call on hold\n"
 "\"retrieve|${MYHOLDVAR}\" gets back the held call\n"
 "\"ect|${MYHOLDVAR})\" explicit call transfer of call on hold\n"
+"\"3pty_begin|${MYHOLDVAR})\" Three-Party-Conference (3PTY) with active and held call\n"
 "\"receivefax|filename|stationID|headline\" receive a CAPIfax\n"
 "\"sendfax|filename.sff|stationID|headline\" send a CAPIfax\n"
 "Variables set after fax receive:\n"