Update README.md

README.md

@@ -6,11 +6,11 @@ The [MNIST](http://yann.lecun.com/exdb/mnist/) training and testing datasets as
 Formatting 
 =========
 
-Each line contains comma separated values representing the image label (0 -9) followed by the pixels grey values (0 - 255).
+Each line contains comma-separated values representing the image label (0 -9) followed by the pixel's grey values (0 - 255).
 
-More precisely, a line contains 1 label value, 784 pixel values, 784 commas and one line break. 
+More precisely, a line contains 1 label value, 784-pixel values, 784 commas, and one line break. 
 
-The pixel values are organized in the exact same way as the raw idx files (i.e. row-wise; top to bottom...)
+The pixel values are organized in the same way as the raw IDX files (i.e. row-wise; top to bottom...)