Reword readme.md under ./Test.
## Testing in FreeRTOS
- This directory is in working progress -- we are migrating scattered test cases to this directory. The directory structure section below only lists what's currently under this directory.
+FreeRTOS kernel consists of common code and porting layer. Extensive [static analysis](https://en.wikipedia.org/wiki/Static_program_analysis) and [dynamic analysis](https://en.wikipedia.org/wiki/Dynamic_program_analysis) are done on both to ensure functional correctness of FreeRTOS kernel.
+
+For more information on FreeRTOS testing please refer to https://www.freertos.org/FreeRTOS-Coding-Standard-and-Style-Guide.html.
## Directory structure
+This directory is in working progress -- we are migrating scattered test cases to this directory. Here only lists what's currently under this directory.
+
- ```./CBMC```: This directory contains automated proofs of the memory safety of various parts of the FreeRTOS code base.
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