Update README.md (#15)

* Update README.md

* Updated the File after @gitwallit's comments

Author: AniruddhaKanhere

README.md

@@ -6,19 +6,21 @@ Additionally, for FreeRTOS-Plus-TCP source code organization refer to the [Docum
 ### Getting help
 If you have any questions or need assistance troubleshooting your FreeRTOS project, we have an active community that can help on the [FreeRTOS Community Support Forum](https://forums.freertos.org). Please also refer to [FAQ](http://www.freertos.org/FAQHelp.html) for frequently asked questions.
 
+Also see the [Submitting a bugs/feature request](https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/blob/master/CONTRIBUTING.md#submitting-a-bugsfeature-request) section of CONTRIBUTING.md for more details.
+
 ## Cloning this repository
-This repo uses [Git Submodules](https://git-scm.com/book/en/v2/Git-Tools-Submodules) to bring in dependent components.
+This repository uses [Git Submodules](https://git-scm.com/book/en/v2/Git-Tools-Submodules) to bring in dependent components.
 
 Note: If you download the ZIP file provided by GitHub UI, you will not get the contents of the submodules. (The ZIP file is also not a valid Git repository)
 
 To clone using HTTPS:
 ```
-git clone https://github.com/FreeRTOS/FreeRTOS-Plus-TCP.git --recurse-submodules
+git clone https://github.com/FreeRTOS/FreeRTOS-Plus-TCP.git
 git submodule update --checkout --init --recursive tools/CMock test/FreeRTOS-Kernel
 ```
 Using SSH:
 ```
-git clone [email protected]:FreeRTOS/FreeRTOS-Plus-TCP.git --recurse-submodules
+git clone [email protected]:FreeRTOS/FreeRTOS-Plus-TCP.git
 git submodule update --checkout --init --recursive tools/CMock test/FreeRTOS-Kernel
 ```
 
@@ -27,6 +29,15 @@ The porting guide is available on [this page](http://www.FreeRTOS.org/FreeRTOS-P
 
 ## Repository structure
 This repository contains the FreeRTOS-Plus-TCP repository and a number of supplementary libraries for testing/PR Checks.
+Below is the breakdown of what each directory contains:
+- tools
+    - This directory contains the tools and related files (CMock/uncrustify) required to run tests/checks on the TCP source code.
+- tests
+    - This directory contains all the tests (unit tests and CBMC) and the dependencies ([FreeRTOS-Kernel](https://github.com/FreeRTOS/FreeRTOS-Kernel)/[Litani-port](https://github.com/awslabs/aws-build-accumulator)) the tests require.
+- portable
+    - This directory contains the portable files required to compile the FreeRTOS-Plus-TCP source code for different hardware/compilers.
+- include
+    - The include directory has all the 'core' header files of FreeRTOS-Plus-TCP source.
 
 ## Note
 At this time it is recommended to use BufferAllocation_2.c in which case it is essential to use the heap_4.c memory allocation scheme. See [memory management](http://www.FreeRTOS.org/a00111.html).