Fix asciidoc typos

contracts/presets/ERC721PresetMinterPauserAutoId.sol

@@ -31,7 +31,7 @@ contract ERC721PresetMinterPauserAutoId is Context, AccessControl, ERC721Burnabl
     Counters.Counter private _tokenIdTracker;
 
     /**
-     * @dev Grants `DEFAULT_ADMIN_ROLE` and `MINTER_ROLE`to the account that
+     * @dev Grants `DEFAULT_ADMIN_ROLE` and `MINTER_ROLE` to the account that
      * deploys the contract.
      *
      * Token URIs will be autogenerated based on `baseURI` and their token IDs.
@@ -48,7 +48,7 @@ contract ERC721PresetMinterPauserAutoId is Context, AccessControl, ERC721Burnabl
 
     /**
      * @dev Creates a new token for `to`. Its token ID will be automatically
-     * assigned (and available on the emitted {Transfer} event), and the token
+     * assigned (and available on the emitted {ERC721-Transfer} event), and the token
      * URI autogenerated based on the base URI passed at construction.
      *
      * See {ERC721-_mint}.