Update README.md

README.md

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 # Dataset Card for Brain Tumour MRI dataset
 
-A collection of Brain scans covering three different types of tumours and as well as a normal class
+A collection of Brain scans covering three different types of tumours and as well as a control class.
 
 
 ## Dataset Details
@@ -27,5 +27,5 @@ This dataset was compiled and uploaded to Kaggle by [Masoud Nickparvar](https://
 
 
 #### Data Collection and Processing
-I applied some preprocessing steps: Converting into Grayscale,resizing to 256x256, applying CLAHE, sharpening the image, denoising and then normalised them.
+I applied some preprocessing steps: Grayscale conversion, Resizing to 256x256, Applying CLAHE, Image sharpening, Denoising and finally Normalisation.