```\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