diff --git a/content/concepts/introduction.md b/content/concepts/introduction.md
index a9452a36..bc8ed6b3 100644
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@@ -13,7 +13,7 @@ Ocean Protocol provides tools for developers to _build data markets_, and to _ma
 
 **Manage Datatokens and Data NFTs for use in DeFi.** Use Ocean [JavaScript](https://github.com/oceanprotocol/ocean.js) or [Python](https://github.com/oceanprotocol/ocean.py) drivers to manage data NFTs and datatokens:
 
-- _Publish and consume data services:_ downloadable files or compute-to-data. Use Ocean to deploy a new [ERC721](https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md and [ERC20](https://github.com/ethereum/EIPs/blob/7f4f0377730f5fc266824084188cc17cf246932e/EIPS/eip-20.md) datatoken contract for each data service, then mint datatokens.
+- _Publish and consume data services:_ downloadable files or compute-to-data. Use Ocean to deploy a new [ERC721](https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md) and [ERC20](https://github.com/ethereum/EIPs/blob/7f4f0377730f5fc266824084188cc17cf246932e/EIPS/eip-20.md) datatoken contract for each data service, then mint datatokens.
 
 - _Transfer datatokens_ to another owner (or approve & transferFrom).