diff --git a/contracts/arbitrum/connectors/uniswap/v3_swap/main.sol b/contracts/arbitrum/connectors/uniswap/v3_swap/main.sol
index 99295ea7..ed9c8208 100644
--- a/contracts/arbitrum/connectors/uniswap/v3_swap/main.sol
+++ b/contracts/arbitrum/connectors/uniswap/v3_swap/main.sol
@@ -48,12 +48,12 @@ abstract contract UniswapResolver is Helpers, Events {
 				recipient: address(this),
 				deadline: block.timestamp + 1,
 				amountOut: _buyAmt,
-				amountInMaximum: _slippageAmt,
+				amountInMaximum: _slippageAmt,		//require(_sellAmt <= amountInMaximum)
 				sqrtPriceLimitX96: 0
 			});
 		}
 
-		uint256 _sellAmt = swapRouter.exactOutputSingle(params);
+		uint256 _sellAmt = swapRouter.exactOutputSingle(params);	
 		require(_slippageAmt >= _sellAmt, "Too much slippage");
 
 		isEth = address(_buyAddr) == wethAddr;
@@ -90,7 +90,7 @@ abstract contract UniswapResolver is Helpers, Events {
 			sellData.sellAddr
 		);
 
-		if (_sellAmt == uint256(-1)) {						//change uint256(-1)
+		if (_sellAmt == uint(-1)) {						
 			_sellAmt = sellData.sellAddr == ethAddr
 				? address(this).balance
 				: _sellAddr.balanceOf(address(this));
@@ -113,7 +113,7 @@ abstract contract UniswapResolver is Helpers, Events {
 				recipient: address(this),
 				deadline: block.timestamp + 1,
 				amountIn: _sellAmt,
-				amountOutMinimum: _slippageAmt,
+				amountOutMinimum: _slippageAmt,		//require(_buyAmt >= amountOutMinimum)
 				sqrtPriceLimitX96: 0
 			});
 		}
diff --git a/contracts/mainnet/connectors/uniswap/v3_swap/main.sol b/contracts/mainnet/connectors/uniswap/v3_swap/main.sol
index 49bb7376..e75689be 100644
--- a/contracts/mainnet/connectors/uniswap/v3_swap/main.sol
+++ b/contracts/mainnet/connectors/uniswap/v3_swap/main.sol
@@ -50,7 +50,7 @@ abstract contract UniswapResolver is Helpers, Events {
 				recipient: address(this),
 				deadline: block.timestamp + 1,
 				amountOut: _buyAmt,
-				amountInMaximum: _slippageAmt,
+				amountInMaximum: _slippageAmt,		//require(_sellAmt <= amountInMaximum)
 				sqrtPriceLimitX96: 0
 			});
 		}
@@ -92,7 +92,7 @@ abstract contract UniswapResolver is Helpers, Events {
 			sellData.sellAddr
 		);
 
-		if (_sellAmt == uint256(-1)) {						//change uint256(-1)
+		if (_sellAmt == uint(-1)) {						
 			_sellAmt = sellData.sellAddr == ethAddr
 				? address(this).balance
 				: _sellAddr.balanceOf(address(this));
@@ -115,7 +115,7 @@ abstract contract UniswapResolver is Helpers, Events {
 				recipient: address(this),
 				deadline: block.timestamp + 1,
 				amountIn: _sellAmt,
-				amountOutMinimum: _slippageAmt,
+				amountOutMinimum: _slippageAmt,		//require(_buyAmt >= amountOutMinimum)
 				sqrtPriceLimitX96: 0
 			});
 		}
diff --git a/contracts/optimism/connectors/uniswap/v3_swap/main.sol b/contracts/optimism/connectors/uniswap/v3_swap/main.sol
index aa992b80..5bca746f 100644
--- a/contracts/optimism/connectors/uniswap/v3_swap/main.sol
+++ b/contracts/optimism/connectors/uniswap/v3_swap/main.sol
@@ -50,7 +50,7 @@ abstract contract UniswapResolver is Helpers, Events {
 				recipient: address(this),
 				deadline: block.timestamp + 1,
 				amountOut: _buyAmt,
-				amountInMaximum: _slippageAmt,
+				amountInMaximum: _slippageAmt,		//require(_sellAmt <= amountInMaximum)
 				sqrtPriceLimitX96: 0
 			});
 		}
@@ -92,7 +92,7 @@ abstract contract UniswapResolver is Helpers, Events {
 			sellData.sellAddr
 		);
 
-		if (_sellAmt == uint256(-1)) {						//change uint256(-1)
+		if (_sellAmt == uint(-1)) {						
 			_sellAmt = sellData.sellAddr == ethAddr
 				? address(this).balance
 				: _sellAddr.balanceOf(address(this));
@@ -115,7 +115,7 @@ abstract contract UniswapResolver is Helpers, Events {
 				recipient: address(this),
 				deadline: block.timestamp + 1,
 				amountIn: _sellAmt,
-				amountOutMinimum: _slippageAmt,
+				amountOutMinimum: _slippageAmt,		//require(_buyAmt >= amountOutMinimum)
 				sqrtPriceLimitX96: 0
 			});
 		}
diff --git a/contracts/polygon/connectors/uniswap/v3_swap/main.sol b/contracts/polygon/connectors/uniswap/v3_swap/main.sol
index 180a2f91..ab134d91 100644
--- a/contracts/polygon/connectors/uniswap/v3_swap/main.sol
+++ b/contracts/polygon/connectors/uniswap/v3_swap/main.sol
@@ -48,7 +48,7 @@ abstract contract UniswapResolver is Helpers, Events {
 				recipient: address(this),
 				deadline: block.timestamp + 1,
 				amountOut: _buyAmt,
-				amountInMaximum: _slippageAmt,
+				amountInMaximum: _slippageAmt,		//require(_sellAmt <= amountInMaximum)
 				sqrtPriceLimitX96: 0
 			});
 		}
@@ -90,7 +90,7 @@ abstract contract UniswapResolver is Helpers, Events {
 			TokenInterface _sellAddr
 		) = changeMaticAddress(sellData.buyAddr, sellData.sellAddr);
 
-		if (_sellAmt == uint256(-1)) {	
+		if (_sellAmt == uint(-1)) {	
 			_sellAmt = sellData.sellAddr == maticAddr
 				? address(this).balance
 				: _sellAddr.balanceOf(address(this));
@@ -113,7 +113,7 @@ abstract contract UniswapResolver is Helpers, Events {
 				recipient: address(this),
 				deadline: block.timestamp + 1,
 				amountIn: _sellAmt,
-				amountOutMinimum: _slippageAmt,
+				amountOutMinimum: _slippageAmt,		//require(_buyAmt >= amountOutMinimum)
 				sqrtPriceLimitX96: 0
 			});
 		}