diff --git a/README.md b/README.md index a912ac734..17bfac0b1 100644 --- a/README.md +++ b/README.md @@ -17,10 +17,14 @@ npm install openzeppelin-solidity To write your custom contracts, import ours and extend them through inheritance. ```solidity -import 'openzeppelin-solidity/contracts/token/ERC721/ERC721.sol'; +pragma solidity ^0.4.24; + +import 'openzeppelin-solidity/contracts/token/ERC721/ERC721Full.sol'; import 'openzeppelin-solidity/contracts/token/ERC721/ERC721Mintable.sol'; -contract MyNFT is ERC721, ERC721Mintable { +contract MyNFT is ERC721Full, ERC721Mintable { + constructors() ERC721Full("MyNFT", "MNFT") public { + } } ```