mgcp: Fix documentation issue in the force-ptime command
<command id='rtp force-ptime (10|20|40)'>
<param name='10' doc='(null)' />
<param name='20' doc='(null)' />
<param name='40' doc='(null)' />
diff --git a/openbsc/src/libmgcp/mgcp_vty.c b/openbsc/src/libmgcp/mgcp_vty.c
index 4b7f4ce..0b11669 100644
--- a/openbsc/src/libmgcp/mgcp_vty.c
+++ b/openbsc/src/libmgcp/mgcp_vty.c
@@ -371,7 +371,8 @@
cfg_mgcp_rtp_force_ptime_cmd,
"rtp force-ptime (10|20|40)",
RTP_STR FORCE_PTIME_STR
- "The required ptime (packet duration) in ms\n")
+ "The required ptime (packet duration) in ms\n"
+ "10 ms\n20 ms\n40 ms\n")
{
g_cfg->bts_force_ptime = atoi(argv[0]);
return CMD_SUCCESS;