Update README.md

# about the dataset

The images are from the fastMRI dataset, where their original size is 384 pixels, and we have resized them to 512 pixels.

# about the purpose

This is a dev dataset, we intended to use it to do SR task (text guided image to image task using diffusion).

README.md

@@ -4,6 +4,7 @@ language:
 - en
 tags:
 - medical
+- mri
 size_categories:
 - 10K<n<100K
 dataset_info:
@@ -23,4 +24,4 @@ configs:
   data_files:
   - split: train
     path: data/train-*
----
+---