Update README.md

README.md

@@ -10,7 +10,7 @@ This achieves around 82% on the testing set
 
 Dataset Description: 
 
-The stanford car dataset contains 16,185 images of 196 classes of cars. The data is split into 8144 training images, 6,041 testing images, and 2000 validation images. 
+The Stanford car dataset contains 16,185 images of 196 classes of cars. Classes are typically at the level of Make, Model, Year, e.g. 2012 Tesla Model S or 2012 BMW M3 coupe. The data is split into 8144 training images, 6,041 testing images, and 2000 validation images in this case. 
 
  <img src="https://ai.stanford.edu/~jkrause/cars/class_montage.jpg">