```\\nfunction changeRoyaltiesBeneficiary(address beneficiary, uint32 shares) public onlyOwner {\\n    require(\\n        beneficiary != address(0),\\n        "DCBW721: Royalties beneficiary cannot be address 0"\\n    );\\n    require(shares > 0, 'DCBW721: Royalty shares cannot be 0');\\n\\n    RoyaltyReceiver storage rr = royalties[0];\\n    rr.account = beneficiary;\\n    rr.shares = shares;\\n}\\n```\\n