Update readme

Author: flexbox

README.md

@@ -18,7 +18,7 @@ cp -r tensorflowjs-template new
 1. [image-to-tensor](image-to-tensor/)
 1. [tensor-reversal](tensor-reversal/)
 1. [old-tv](old-tv/)
-1. [Vision](vision/)
+1. [vision](vision/)
 
 ## Ressources
 

vision/README.md

@@ -1,19 +1,22 @@
 # React Native with Google Vision
 
 Using [vision.googleapis.com](https://cloud.google.com/vision) to identify the content of a picture.
+
 Thanks to @EvanBacon [for the example](https://github.com/expo/examples/tree/master/with-google-vision).
 
+**Requirements**
+
+- Google Cloud Vision API key
+
 ## Result
 
 ![React Native with Google Vision](./images/google-cloud-vision.gif)
 
 ## Getting Started
 
-**Requirements**
-
-- Google Cloud Vision API key
-
 ```
 yarn
-yarn start // then scan the QR Code
+yarn start
 ```
+
+Then scan the QR Code and use your `iOS|android` device