fix typo in dataset card

README.md

@@ -27,7 +27,7 @@ task_categories:
 
 ### Dataset Summary
 
-This is the dataset created for TREC 2022 NeuCLIR Track. The collection consists of documents from [`msmarco-passage`](ir-datasets.com/msmarco-passage) translated into
+This is the dataset created for TREC 2022 NeuCLIR Track. The collection consists of documents from [`msmarco-passage`](https://ir-datasets.com/msmarco-passage) translated into
 Chinese, Persian, and Russian.
 
 ### Languages