diff --git a/src/client/main.c b/src/client/main.c
index 4dd70df90150cde1852926b354a48390e487ceca..3938beaff39bcbad6a5496956024bfd5f2f7c2cb 100644
--- a/src/client/main.c
+++ b/src/client/main.c
@@ -149,6 +149,8 @@ void ShowUsage(void)
 			"        Show help text\n"
 			"    -G\n"
 			"        Use simple textual interface (instead of ncurses)\n"
+			"    -D\n"
+			"        Drinks only in user interface\n"
 			"    -n\n"
 			"        Dry run - Do not actually do dispenses\n"
 			"    -m <min balance>\n"
@@ -156,6 +158,10 @@ void ShowUsage(void)
 			"        Set the Maximum/Minimum balances shown in `dispense acct`\n"
 			"    -f <configfile>\n"
 			"        Set the config file path (default: `/etc/opendispense/client.conf'\n"
+			"    -H <host>\n"
+			"        Set a different dispense host\n"
+			"    -P <port>\n"
+			"        Set a different dispense port\n"
 			"Definitions:\n"
 			"    <itemid>\n"
 			"        Item ID of the form <type>:<num> where <type> is a non-empty string of alpha-numeric characters, and <num> is a non-negative integer\n"