updates

Signed-off-by: Saurabh Misra <misra.saurabh1@gmail.com>

docs/getting-started/local-installation.mdx

@@ -14,6 +14,9 @@ Before installing Codeflash, ensure you have:
 2. **A Python project** with a virtual environment
 3. **Project dependencies installed** in your virtual environment
 
+Good to have (optional):
+1. **Unit Tests** that Codeflash uses to ensure correctness of the optimizations
+
 <Warning>
 **Virtual Environment Required**
 

docs/optimizing-with-codeflash/benchmarking.mdx

@@ -67,7 +67,9 @@ It will then try to optimize the new code for the benchmark and calculate the im
 
 4. **Run Codeflash :**
 
-   Benchmark mode is best used together with Codeflash as a GitHub Action. This way, if new code in a Pull Request touches the benchmark workflow, Codeflash will try to optimize the code for the benchmark, and you will know the impact of Codeflash's optimizations on your benchmarks.
+   Benchmark mode is best used together with Codeflash as a GitHub Action. This way,
+   Codeflash will trace through your benchmark and optimize the functions modified in your Pull Request to speed up the benchmark.
+   It will also report the impact of Codeflash's optimizations on your benchmarks.
    
    Use `codeflash init` for an easy way to set up Codeflash as a GitHub Action.