Fix description links in dataset cards (#4222)

Commit from https://github.com/huggingface/datasets/commit/ef826e75315f1e35ca478c0bcfad20b566c7b5cb

README.md

@@ -49,11 +49,11 @@ paperswithcode_id: null
 
 ## Dataset Description
 
-- **Homepage: http://davis.wpi.edu/xmdv/datasets/ohsumed.html**
-- **Repository: https://trec.nist.gov/data/filtering/t9.filtering.tar.gz**
-- **Paper: https://link.springer.com/chapter/10.1007/978-1-4471-2099-5_20**
+- **Homepage:** http://davis.wpi.edu/xmdv/datasets/ohsumed.html
+- **Repository:** https://trec.nist.gov/data/filtering/t9.filtering.tar.gz
+- **Paper:** https://link.springer.com/chapter/10.1007/978-1-4471-2099-5_20
 - **Leaderboard:**
-- **Point of Contact: [William Hersh](mailto:hersh@OHSU.EDU) [Aakash Gupta](mailto:aakashg80@gmail.com)**
+- **Point of Contact:** [William Hersh](mailto:hersh@OHSU.EDU) [Aakash Gupta](mailto:aakashg80@gmail.com)
 
 ### Dataset Summary