Update readme

README.md

@@ -1,5 +1,5 @@
-This dataset includes 2 images: one of the [IAM Handwriting Database](https://fki.tic.heia-fr.ch/databases/iam-handwriting-database) and one of the [SRIOE](https://rrc.cvc.uab.es/?ch=13) dataset.
+This dataset includes 1 image: one of the [Cat Dataset](https://www.kaggle.com/crawford/cat-dataset).
 
-They are used for testing OCR models that are part of the HuggingFace Transformers library.
+This dataset is used for testing [image utils](https://github.com/huggingface/transformers/blob/master/src/transformers/image_utils.py) that are part of the HuggingFace Transformers library.
 
-More specifically, they are used inside `test_modeling_vision_encoder_decoder_model.py`, for testing the TrOCR models.
+More specifically, they are used inside `test_image_utils.py`, for testing the PIL dependency.