b-l475e-iot01a readme update

demos/projects/ST/b-l475e-iot01a/README.md

@@ -1,12 +1,12 @@
-# Connect an STMicroelectronics B-L475E-IOT01A Discovery kit using Azure IoT Middleware for FreeRTOS
+# Connect a STMicroelectronics B-L475E-IOT01A Discovery kit using Azure IoT Middleware for FreeRTOS
 
 ## What you need
 
 * ST Microelectronics DevKit: [B-L475E-IOT01A](https://www.st.com/en/evaluation-tools/b-l475e-iot01a.html)
 
 * Wi-Fi 2.4 GHz
 
-* USB 2.0 A male to Micro USB male cable
+* Micro USB male cable
 
 ## Prerequisites
 
@@ -15,9 +15,9 @@
 * [Ninja build system](https://github.com/ninja-build/ninja/releases) (Version 1.10 or higher)
 
 - [GNU Arm Embedded Toolchain](https://developer.arm.com/tools-and-software/open-source-software/developer-tools/gnu-toolchain/gnu-rm/downloads) (Version 9 or higher)
-* Terminal tool like [Termite](https://www.compuphase.com/software_termite.htm), Putty, Tera Term, etc.
+* Serial terminal tool like [Termite](https://www.compuphase.com/software_termite.htm), Putty, Tera Term, etc.
 
-* To run this sample you can use a device previously created in your IoT Hub or have the Azure IoT Middleware for FreeRTOS provision your device automatically using DPS.
+To run this sample you can use a device previously created on your Azure IoT Hub or you may have the Azure IoT Middleware for FreeRTOS provision your device automatically using Azure Device Provisioning Services (DPS).
 
 IoT Hub | DPS 
 ---------|----------
@@ -32,13 +32,13 @@ Ensure that cmake, ninja and the ARM toolset binaries are available in the `PATH
 
 You may also need to enable long path support for both Windows and git:
 * Windows: <https://docs.microsoft.com/windows/win32/fileio/maximum-file-path-limitation?tabs=cmd#enable-long-paths-in-windows-10-version-1607-and-later>
-* Git: as Administrator run `git config --system core.longpaths true`
+* Git: As **administrator** run `git config --system core.longpaths true`
 
 ## Get the middleware
 
 Clone the following repo to download all sample device code, setup scripts, and offline versions of the documentation. 
 
-**If you previously cloned this repo in another sample, you don't need to do it again.**
+*If you previously cloned this repo in another sample, you don't need to do it again.*
 
 ```bash
 git clone https://github.com/Azure-Samples/iot-middleware-freertos-samples.git
@@ -55,26 +55,26 @@ To connect the STM DevKit to Azure, you'll modify a configuration file for Wi-Fi
 
 Update the file `iot-middleware-freertos-samples/demos/projects/ST/b-l475e-iot01a/config/demo_config.h` with your configuration values.
 
-Set the **Wi-Fi parameters** to the following values from your local environment.
+Set the **Wi-Fi parameters** to the following values for your local environment.
 
 Parameter | Value 
 ---------|----------
  `WIFI_SSID` | _{Your Wi-Fi SSID}_
  `WIFI_PASSWORD` | _{Your Wi-Fi Password}_ 
 
-If you're using a device previously created in your **IoT Hub** with SAS authentication, comment out line #53 (`#define democonfigENABLE_DPS_SAMPLE`) and set the following parameters:
+If you're using a device previously created in your **IoT Hub** with SAS authentication, disable DPS by commeting out line #53 (`#define democonfigENABLE_DPS_SAMPLE`) and set the following parameters:
 
 Parameter | Value 
 ---------|----------
  `democonfigDEVICE_ID` | _{Your Device ID value}_
- `democonfigHOSTNAME` | _{Your Host name value}_ 
+ `democonfigHOSTNAME` | _{Your Azure IoT Hub Host name value}_ 
  `democonfigDEVICE_SYMMETRIC_KEY` | _{Your Primary Key value}_ 
 
 If you're using **DPS** with an individual enrollment with SAS authentication, set the following parameters:
 
 Parameter | Value 
 ---------|----------
- `democonfigID_SCOPE` | _{Your ID scope value}_
+ `democonfigID_SCOPE` | _{Your DPS ID scope value}_
  `democonfigDEVICE_ID` | _{Your Device ID value}_ 
  `democonfigDEVICE_SYMMETRIC_KEY` | _{Your Primary Key value}_