diff --git a/boards/nrf51dk/doc.txt b/boards/nrf51dk/doc.txt
index 93090d1bee..3ec7a44a5c 100644
--- a/boards/nrf51dk/doc.txt
+++ b/boards/nrf51dk/doc.txt
@@ -16,10 +16,11 @@ well with UART: the shell is only working on RX but not TX.
 
 Thus, we recommend to update the flasher ship with DAPLink as described
 [here](https://armmbed.github.io/DAPLink/?board=Nordic-nRF51-DK):
-1. Download [this firmware](https://armmbed.github.io/DAPLink//firmware/0251_sam3u2c_mkit_dk_dongle_nrf5x_0x5000.bin)
+1. Download and extract [this release package](https://github.com/ARMmbed/DAPLink/releases/download/v0251/0251_release_package_9295000c.zip)
 2. While holding down the boards reset button, connect the boards USB debug
    port to the computer. It should enumerate as `BOOTLOADER`
-3. Using a filesystem browser, drag-n-drop the firmware file to the
+3. Using a filesystem browser, drag-n-drop the firmware
+   `0251_sam3u2c_mkit_dk_dongle_nrf5x_0x5000.bin` file to the
    `BOOTLOADER` folder
 4. Power-cycle the board, a new DAPLink mount point should appear