diff --git a/main.c b/main.c
index 2f1f305..3253233 100644
--- a/main.c
+++ b/main.c
@@ -2160,9 +2160,9 @@ VNA_SHELL_FUNCTION(cmd_help)
   (void)argc;
   (void)argv;
   const VNAShellCommand *scp = commands;
-#ifdef TINYSA4
-  shell_printf("config.ini commands:");
-#endif
+//#ifdef TINYSA4
+  shell_printf("commands:");
+//#endif
   while (scp->sc_name != NULL
 #ifdef __SINGLE_LETTER__
       && scp->sc_function != cmd_y
diff --git a/usbcfg.c b/usbcfg.c
index a57ed3f..398e3cb 100644
--- a/usbcfg.c
+++ b/usbcfg.c
@@ -181,7 +181,15 @@ static const uint8_t vcom_string2[] = {
  *                                  01234567890123456789012
  * skip last two 'xx' char due to  'tinySA4_v1.3-n-gxxxxxxx'
  */
-static const uint8_t vcom_string3[] = {
+static const uint8_t vcom_string3[] =
+{
+#if 1
+ USB_DESC_BYTE(8),                    /* bLength.                         */
+ USB_DESC_BYTE(USB_DESCRIPTOR_STRING), /* bDescriptorType.                 */
+ '0' + CH_KERNEL_MAJOR, 0,
+ '0' + CH_KERNEL_MINOR, 0,
+ '0' + CH_KERNEL_PATCH, 0
+#else
   USB_DESC_BYTE(32),                    /* bLength.                         */
   USB_DESC_BYTE(USB_DESCRIPTOR_STRING), /* bDescriptorType.                 */
   VERSION[8], 0,  /* 'v' */
@@ -199,6 +207,7 @@ static const uint8_t vcom_string3[] = {
   VERSION[20], 0, /* 'x' */
   VERSION[21], 0, /* 'x' */
   VERSION[22], 0, /* 'x' */
+#endif
 };
 #else
 /*
@@ -207,7 +216,14 @@ static const uint8_t vcom_string3[] = {
  * skip last two 'xx' char due to  'tinySA_v1.3-n-gxxxxxxx'
  */
 static const uint8_t vcom_string3[] = {
-  USB_DESC_BYTE(32),                    /* bLength.                         */
+#if 1
+ USB_DESC_BYTE(8),                    /* bLength.                         */
+ USB_DESC_BYTE(USB_DESCRIPTOR_STRING), /* bDescriptorType.                 */
+ '0' + CH_KERNEL_MAJOR, 0,
+ '0' + CH_KERNEL_MINOR, 0,
+ '0' + CH_KERNEL_PATCH, 0
+#else
+ USB_DESC_BYTE(32),                    /* bLength.                         */
   USB_DESC_BYTE(USB_DESCRIPTOR_STRING), /* bDescriptorType.                 */
   VERSION[7], 0,  /* 'v' */
   VERSION[8], 0,  /* '1' */
@@ -224,6 +240,7 @@ static const uint8_t vcom_string3[] = {
   VERSION[19], 0, /* 'x' */
   VERSION[20], 0, /* 'x' */
   VERSION[21], 0, /* 'x' */
+#endif
 };
 #endif