Update README.md

Author: arunponnusamy

README.md

@@ -15,7 +15,7 @@ When it comes to object detection, popular detection frameworks are
 
 `pip install numpy opencv-python`
 
-**Note: Python 2.x is not supported**
+**Note: Compatability with Python 2.x is not officially tested.**
 
  ## YOLO (You Only Look Once)