Fix description links in dataset cards (#4222)

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

README.md

@@ -51,11 +51,11 @@ pretty_name: swahili
 
 ## Dataset Description
 
-- **Homepage: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7339006/**
-- **Repository: NA**
-- **Paper: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7339006/**
-- **Leaderboard: [More Information Needed]**
-- **Point of Contact: [More Information Needed]**
+- **Homepage:** https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7339006/
+- **Repository:**
+- **Paper:** https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7339006/
+- **Leaderboard:** [More Information Needed]
+- **Point of Contact:** [More Information Needed]
 
 ### Dataset Summary