Fix broken link to the Hub (#4726)

📝 replace markdown link with html link

Author: stevhliu

docs/source/how_to.md

@@ -16,6 +16,6 @@ The guides are organized into five sections:
 - <span class="underline decoration-pink-400 decoration-2 font-semibold">Audio</span>: How to load, process, and share audio datasets.
 - <span class="underline decoration-yellow-400 decoration-2 font-semibold">Vision</span>: How to load, process, and share image datasets.
 - <span class="underline decoration-green-400 decoration-2 font-semibold">Text</span>: How to load, process, and share text datasets.
-- <span class="underline decoration-indigo-400 decoration-2 font-semibold">Dataset repository</span>: How to share and upload a dataset to the [Hub](https://huggingface.co/datasets).
+- <span class="underline decoration-indigo-400 decoration-2 font-semibold">Dataset repository</span>: How to share and upload a dataset to the <a href="https://huggingface.co/datasets">Hub</a>.
 
 If you have any questions about 🤗 Datasets, feel free to join and ask the community on our [forum](https://discuss.huggingface.co/c/datasets/10).