```\nfunction updateBuyFees(\n    uint256 _liquidityFee,\n    uint256 _developmentFee,\n    uint256  _marketingFee\n) external onlyOwner {\n    buyLiquidityFee = _liquidityFee;\n    buyDevelopmentFee = _developmentFee;\n    buyMarketingFee =  _marketingFee;\n    buyTotalFees =  buyLiquidityFee + buyDevelopmentFee + buyMarketingFee ;\n    require(buyTotalFees <= 5);\n}\n```\n