Update README.md

README.md

@@ -216,7 +216,7 @@ used as source texts documents achieved from existing datasets. The chosen datas
 datasets with short texts (with an average of 600 words) or datasets with longer texts with
 extractive human summaries. In order to fill the gap and provide a dataset with long text
 documents for abstractive summarization, the authors compiled two new datasets with scientific
-papers from arXiv and PubMed databases. Scientific papers are especially convenient given the
+papers from arXiv and PubMed databases. Scientific papers are specially convenient given the
 desired kind of ATS the authors mean to achieve, and that is due to their large length and
 the fact that each one contains an abstractive summary made by its author – i.e., the paper’s
 abstract.