Fix ERC721._beforeTokenTransfer docs (#2653)

2021-05-04 07:10:24 -07:00
parent 0a905d674b
commit 08ba72afa2
1 changed files with 1 additions and 2 deletions
--- a/contracts/token/ERC721/ERC721.sol
+++ b/contracts/token/ERC721/ERC721.sol
@ -367,8 +367,7 @@ contract ERC721 is Context, ERC165, IERC721, IERC721Metadata {
     * transferred to `to`.
     * - When `from` is zero, `tokenId` will be minted for `to`.
     * - When `to` is zero, ``from``'s `tokenId` will be burned.
-     * - `from` cannot be the zero address.
-     * - `to` cannot be the zero address.
+     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */