Minor modifications

README.md

@@ -86,13 +86,12 @@ task_ids:
 ### Dataset Summary
 
 Opusparcus is a paraphrase corpus for six European languages: German,
-English, Finnish, French, Russian, and Swedish. The paraphrases are
-extracted from the OpenSubtitles2016 corpus, which contains subtitles
-from movies and TV shows.
+English, Finnish, French, Russian, and Swedish. The paraphrases
+consist of subtitles from movies and TV shows.
 
-The data in Opusparcus has been extracted from OpenSubtitles2016
-(http://opus.nlpl.eu/OpenSubtitles2016.php), which is in turn based on
-data from http://www.opensubtitles.org/.
+The data in Opusparcus has been extracted from
+[OpenSubtitles2016](http://opus.nlpl.eu/OpenSubtitles2016.php), which
+is in turn based on data from [http://www.opensubtitles.org/].
 
 For each target language, the Opusparcus data have been partitioned
 into three types of data sets: training, validation and test sets. The