message: Add ST-Link driver link
diff: @@ -86,7 +86,8 @@ Some instructions in this document may assume that you're using a bash command p
  * __Note 2__: 8-2018-q4-major seems to have a bug on Windows. Please use 7-2018-q2-update.
  * [Tup](http://gittup.org/tup/index.html)
  * [GNU MCU Eclipse's Windows Build Tools](https://github.com/gnu-mcu-eclipse/windows-build-tools/releases)
  -* [OpenOCD](http://gnuarmeclipse.github.io/openocd/install/). Also follow the instructions on the ST-LINK/V2 drivers.
  +* [OpenOCD](http://gnuarmeclipse.github.io/openocd/install/).
  +* [ST-Link/V2 Drivers](http://www.st.com/web/en/catalog/tools/FM147/SC1887/PF260219)
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