modify typos in readme (#1300)

Co-authored-by: mengfeil <mengfei.li@intel.com>

Author: kaikaiyao

neural_coder/docs/IntelCPU_PerformanceSetting.md

@@ -1,6 +1,6 @@
 ## Intel CPU Platforms: Best Performance Setting
 ### Install MKL, OpenMP and JEMALLOC
-Through CONDA is the simplest way:
+The simplest way for installation is through ```conda install```:
 ```bash
 conda install -y mkl mkl-include jemalloc
 ```
@@ -15,17 +15,17 @@ Check if your ```CONDA_PREFIX``` has a value by:
 ```bash
 echo ${CONDA_PREFIX}
 ```
-If it's empty, it means that you're not in a traditional CONDA environment, you need to find the location of the ```.so.``` files by:
+If it is empty, it means that you are not in a traditional CONDA environment, you need to find the location of the ```.so``` files by:
 ```bash
 find / -name "libjemalloc.so"
 find / -name "libiomp5.so"
 ```
-It will show the path these file were installed into, for example:
+It will show the path these files were installed into. For example:
 ```bash
 /home/name/lib/libjemalloc.so
 /home/name/lib/libiomp5.so
 ```
-And then you should export this path as ```CONDA_PREFIX```:
+And then you should ```export``` this path as ```CONDA_PREFIX```:
 ```bash
 export CONDA_PREFIX="/home/name"
 ```
@@ -40,11 +40,11 @@ export DNNL_PRIMITIVE_CACHE_CAPACITY=1024
 ```
 
 ### Frequency Governers
-Check frequency governer state on your machine:
+Check the frequency governer state on your machine:
 ```bash
 cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
 ```
-If is shows ```powersave``` instead of ```performance```, execute:
+If it shows ```powersave``` instead of ```performance```, execute:
 ```bash
 echo "performance" | sudo tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
 cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor