Fix description links in dataset cards (#4222)

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

README.md

@@ -50,10 +50,10 @@ pretty_name: Bengali Hate Speech Dataset
 
 ## Dataset Description
 
-- **Homepage: [Bengali Hate Speech Dataset](https://github.com/rezacsedu/Bengali-Hate-Speech-Dataset)**
-- **Repository: [Bengali Hate Speech Dataset](https://github.com/rezacsedu/Bengali-Hate-Speech-Dataset)**
-- **Paper: [Classification Benchmarks for Under-resourced Bengali Language based on Multichannel Convolutional-LSTM Network](https://arxiv.org/abs/2004.07807)**
-- **Point of Contact: [Md. Rezaul Karim](rezaul.karim.fit@gmail.com)**
+- **Homepage:** [Bengali Hate Speech Dataset](https://github.com/rezacsedu/Bengali-Hate-Speech-Dataset)
+- **Repository:** [Bengali Hate Speech Dataset](https://github.com/rezacsedu/Bengali-Hate-Speech-Dataset)
+- **Paper:** [Classification Benchmarks for Under-resourced Bengali Language based on Multichannel Convolutional-LSTM Network](https://arxiv.org/abs/2004.07807)
+- **Point of Contact:** [Md. Rezaul Karim](rezaul.karim.fit@gmail.com)
 
 ### Dataset Summary