Update README.md

README.md

@@ -3,6 +3,7 @@
 ## Current Binary
 
 Download the current version (MAVLink V2) from here: [Firmware version 1.2.2](http://www.grubba.com/mavesp8266/firmware-1.2.2.bin)
+
 Download the legacy version (MAVLink V1) from here: [Firmware version 1.1.1](http://www.grubba.com/mavesp8266/firmware-1.1.1.bin)
 
 ## ESP8266 WiFi Access Point and MavLink Bridge
@@ -14,8 +15,7 @@ This was developed using a [NodeMCU v2 Dev Kit](http://www.seeedstudio.com/depot
 The build enviroment is based on [PlatformIO](http://platformio.org). Follow the instructions found here: http://platformio.org/#!/get-started (only tested on Mac OS) for installing it but skip the ```platform init``` step as this has already been done, modified and it is included in this repository. In summary:
 
 ```
-sudo pip install -U pip setuptools
-sudo pip install -U platformio
+brew install platformio
 git clone --recursive https://github.com/dogmaphobic/mavesp8266.git
 cd mavesp8266
 platformio run
@@ -26,7 +26,7 @@ When you run ```platformio run``` for the first time, it will download the toolc
 ### Useful commands:
 
 * ```platformio run``` - process/build all targets
-* ```platformio run -e esp12e``` - process/build just the ESP12e target (the NodeMcu v2)
+* ```platformio run -e esp12e``` - process/build just the ESP12e target (the NodeMcu v2, Adafruit HUZZAH, etc.)
 * ```platformio run -e esp12e -t upload``` - build and upload firmware to embedded board
 * ```platformio run -t clean``` - clean project (remove compiled files)
 
@@ -36,7 +36,7 @@ The resulting image(s) can be found in the directory ```.pioenvs``` created duri
 
 The ```git clone --recursive``` above not only cloned the MavESP8266 repository but it also installed the dependent [MavLink](https://github.com/mavlink/c_library) sub-module. To upated the module (when needed), use the command:
 
-```git submodule update```
+```git submodule update --init```
 
 ### Wiring it up