Fix broken link

Author: fulldecent

EIPS/eip-721.md

@@ -31,7 +31,7 @@ In general, all houses are distinct and no two kittens are alike. NFTs are *dist
 
 A standard interface allows wallet/broker/auction applications to work with any NFT on Ethereum. We provide for simple ERC-721 smart contracts as well as contracts that track an *arbitrarily large* number of NFTs. Additional applications are discussed below.
 
-This standard is inspired by the ERC-20 token standard](https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md) and builds on two years of experience since EIP-20 was created. EIP-20 is insufficient for tracking NFTs because each asset is distinct (non-fungible) whereas each of a quantity of tokens is identical (fungible).
+This standard is inspired by the ERC-20 token standard and builds on two years of experience since EIP-20 was created. EIP-20 is insufficient for tracking NFTs because each asset is distinct (non-fungible) whereas each of a quantity of tokens is identical (fungible).
 
 Differences between this standard and EIP-20 are examined below.