diff --git a/README.md b/README.md
index 11dc981..8ea8a7f 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # tensorflow-mtcnn
 
 MTCNN is one of the best face detection algorithms.
-Here is inference only for MTCNN face detector on Tensorflow, which is based on davidsandberg's facenet project, include the python version and C++ version.
+Here is inference only for MTCNN face detector on Tensorflow, which is based on the davidsandberg's facenet project, include the python version and C++ version.
 
 ## C++
 
@@ -14,7 +14,7 @@ The other is the standalone one, just needs libtensorflow.so and c_api.h to buil
 Please check cpp/standalone/README.md for more details
 
 ## Python Run
-1. install tensorflow first, please refers to https://www.tensorflow.org/install
+1. install tensorflow first based on your operating system, please refers to https://www.tensorflow.org/install
 2. install python packages: opencv, numpy
 3. python ./facedetect_mtcnn.py --input input.jpg --output  new.jpg