Update README.md

README.md

@@ -33,7 +33,7 @@ The dataset provides 634 question-answer pairs for training:
 	2) TREC-2017-LiveQA-Medical-Train-2.xml => 246 question-answer pairs corresponding to 246 NLM questions.
 	Answers were retrieved manually by librarians.
 
-**You can access Train 1 dataset by requesting the `train` split. Train 2 is the `dev` split by just convenience so you can request the `dev` split to download.**
+**You can access Train 1 dataset by requesting the `train` split. Train 2 is the `dev` split by pure convenience.**
 
 The datasets are not exhaustive with regards to subquestions, i.e., some subquestions might not be annotated. 
 Additional annotations are provided for both (i) the Focus and (ii) the Question Type used to define each subquestion.