Update README.md

README.md

@@ -50,6 +50,8 @@ Both "elife" and "plos" have 6 features:
     - "year" : the year the article was published.
     - "summary": the lay summary of the document.
   
+  
+**Note:** The format of both datasets differs from that used in the original repository (given above) in order to make them compatible with the `run_summarization.py" script of Transformers. Specifically, sentence tokenization is removed via " ".join(text), and the abstract and article sections, previously lists of sentences, are combined into a single `string` feature ("article") with each section separated by "\n". For the sentence-tokenized version of the dataset, please use the original git repository.
     
 ### Supported Tasks and Leaderboards