Minor documentation improvements.

Bootloaders/DFU/BootloaderDFU.txt

@@ -117,7 +117,7 @@
  *  #define BOOTLOADER_MAGIC_SIGNATURE         0xDCFB
  *
  *  #define BOOTLOADER_CLASS_SIGNATURE_START   (BOOTLOADER_API_TABLE_START + (BOOTLOADER_API_TABLE_SIZE - 4))
- *  #define BOOTLOADER_CDC_SIGNATURE           0xDFB1
+ *  #define BOOTLOADER_DFU_SIGNATURE           0xDFB1
  *
  *  #define BOOTLOADER_ADDRESS_START           (BOOTLOADER_API_TABLE_START + (BOOTLOADER_API_TABLE_SIZE - 8))
  *  #define BOOTLOADER_ADDRESS_LENGTH          4
@@ -126,7 +126,7 @@
  *  From the application the API support of the bootloader can be detected by reading the FLASH memory bytes located at address
  *  \c BOOTLOADER_MAGIC_SIGNATURE_START and comparing them to the value \c BOOTLOADER_MAGIC_SIGNATURE. The class of bootloader
  *  can be determined by reading the FLASH memory bytes located at address \c BOOTLOADER_CLASS_SIGNATURE_START and comparing them
- *  to the value \c BOOTLOADER_CDC_SIGNATURE. The start address of the bootloader can be retrieved by reading the bytes of FLASH
+ *  to the value \c BOOTLOADER_DFU_SIGNATURE. The start address of the bootloader can be retrieved by reading the bytes of FLASH
  *  memory starting from address \c BOOTLOADER_ADDRESS_START.
  *
  *  \subsection SSec_API_MemLayout Device Memory Map