vcan_iocsh: fixed argument hints for vcanConfigIrqTimeoutOffsets

mCANSupport/vcan_iocsh.c

@@ -185,8 +185,8 @@ static void vcanConfigDoneCall(const iocshArgBuf *args)
     vcanConfigDone();
 }
 
-static const iocshArg vcanConfigIrqTimeoutOffsetsArg0 = { "extra IRQ timeout for vcan2 (ms)", iocshArgInt };
-static const iocshArg vcanConfigIrqTimeoutOffsetsArg1 = { "extra IRQ timeout for vcan4 (ms)", iocshArgInt };
+static const iocshArg vcanConfigIrqTimeoutOffsetsArg0 = { "vcan2_irq_timeout_in_ms", iocshArgInt };
+static const iocshArg vcanConfigIrqTimeoutOffsetsArg1 = { "vcan4_irq_timeout_in_ms", iocshArgInt };
 static const iocshArg *const vcanConfigIrqTimeoutOffsetsArgs[] = {
     &vcanConfigIrqTimeoutOffsetsArg0, &vcanConfigIrqTimeoutOffsetsArg1
 };