Update README.md

README.md

@@ -75,12 +75,10 @@ Named Entity Recognition (NER) and PII classification.
 
 Conversion diagram:
 
-![Label Conversion Diagram](./label_conversions.png)
+![Label Conversion Diagram](./label_conversions.svg)
 
 </details>
 
-[More Information Needed](https://github.com/huggingface/datasets/blob/master/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)
-
 ### Languages
 
 English