diff --git a/examples/device/dfu_freertos/src/usb_descriptors.c b/examples/device/dfu_freertos/src/usb_descriptors.c
index bafe96bd6..496bc8dc7 100644
--- a/examples/device/dfu_freertos/src/usb_descriptors.c
+++ b/examples/device/dfu_freertos/src/usb_descriptors.c
@@ -82,7 +82,7 @@ uint8_t const * tud_descriptor_device_cb(void)
 //--------------------------------------------------------------------+
 
 // Number of Alternate Interface (each for 1 flash partition)
-#define ALT_COUNT   1
+#define ALT_COUNT   2
 
 enum
 {
@@ -123,7 +123,8 @@ char const* string_desc_arr [] =
   "CuVoodoo",                    // 1: Manufacturer
   "ESP32-S2 DFU",                // 2: Product
   "",                            // 3: Serials, should use chip ID
-  "ota0",                        // 4: DFU Partition 1
+  "app (erase all)",            // 4: DFU Partition (erase the complete partition, slow)
+  "app (overwrite)",            // 5: DFU Partition (just overwrite new data, fast)
 };
 
 static uint16_t _desc_str[32];