Update README.md

README.md

@@ -33,9 +33,9 @@ After dropping the duplicate image-question-answer triplets, the dataset contain
 
 #### Supported Tasks and Leaderboards
 This dataset has an active leaderboard which can be found on [Papers with Code](https://paperswithcode.com/sota/medical-visual-question-answering-on-pathvqa) 
-and ranks models based on the following metrics:
-- "Yes/No Accuracy": the accuracy of a model's generated answers for the binary "yes/no" questions,
-- "Free-form accuracy": the accuracy of a model's generated answers for the open-ended questions,
-- "Overall accuracy": the accuracy of a model's generated answers across all questions.
+and ranks models based on three metrics: "Yes/No Accuracy", "Free-form accuracy" and "Overall accuracy". "Yes/No Accuracy" is
+the accuracy of a model's generated answers for the subset of binary "yes/no" questions. "Free-form accuracy" is the accuracy 
+of a model's generated answers for the subset of open-ended questions. "Overall accuracy" is the accuracy of a model's generated 
+answers across all questions.