knotc: shorten zone commands description

src/utils/knotc/commands.c

@@ -505,16 +505,16 @@ const cmd_desc_old_t cmd_table_old[] = {
 const cmd_help_t cmd_help_table[] = {
 	{ CMD_STATUS,          "",                     "Check if the server is running." },
 	{ CMD_STOP,            "",                     "Stop the server if running." },
-	{ CMD_RELOAD,          "",                     "Reload the server configuration and modified zonefiles." },
+	{ CMD_RELOAD,          "",                     "Reload the server configuration and modified zones." },
 	{ "",                  "",                     "" },
-	{ CMD_ZONE_CHECK,      "[<zone>...]",          "Check the zone if is loadable. (*)" },
+	{ CMD_ZONE_CHECK,      "[<zone>...]",          "Check if the zone can be loaded. (*)" },
 	{ CMD_ZONE_MEMSTATS,   "[<zone>...]",          "Estimate memory use for the zone. (*)" },
 	{ CMD_ZONE_STATUS,     "[<zone>...]",          "Show the zone status." },
-	{ CMD_ZONE_RELOAD,     "[<zone>...]",          "Trigger a forced zone reload (no mtime check)." },
-	{ CMD_ZONE_REFRESH,    "[<zone>...]",          "Trigger a slave zone refresh asking master for the serial." },
-	{ CMD_ZONE_RETRANSFER, "[<zone>...]",          "Trigger a forced slave zone retransfer (no serial check)." },
-	{ CMD_ZONE_FLUSH,      "[<zone>...]",          "Trigger a zone journal flush into the zone file." },
-	{ CMD_ZONE_SIGN,       "[<zone>...]",          "Trigger a zone sign if enabled automatic signing." },
+	{ CMD_ZONE_RELOAD,     "[<zone>...]",          "Reload a zone from a disk." },
+	{ CMD_ZONE_REFRESH,    "[<zone>...]",          "Force slave zone refresh." },
+	{ CMD_ZONE_RETRANSFER, "[<zone>...]",          "Force slave zone retransfer (no serial check)." },
+	{ CMD_ZONE_FLUSH,      "[<zone>...]",          "Flush zone journal into the zone file." },
+	{ CMD_ZONE_SIGN,       "[<zone>...]",          "Re-sign the automatically signed zone." },
 	{ "",                  "",                     "" },
 	{ CMD_CONF_INIT,       "",                     "Initialize the confdb. (*)" },
 	{ CMD_CONF_CHECK,      "",                     "Check the server configuration. (*)" },