diff --git a/contracts/polygon/connectors/uniswap/v3_auto_router/main.sol b/contracts/polygon/connectors/uniswap/v3_auto_router/main.sol
index 44435d4b..b2b75c74 100644
--- a/contracts/polygon/connectors/uniswap/v3_auto_router/main.sol
+++ b/contracts/polygon/connectors/uniswap/v3_auto_router/main.sol
@@ -21,7 +21,8 @@ abstract contract AutoRouter is Helpers, Events {
      * @param sellAddr The address of the token to sell.(For Matic: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
      * @param sellAmt The amount of the token to sell.
      * @param unitAmt The amount of buyAmt/sellAmt with slippage.
-     * @param callData Data from Uniswap V3 auto router SDK.
+     * @param callData Data from Uniswap V3 auto router SDK. You can generate calldata and unitAmt using uniswap-v3-autorouter or using this <a href="https://docs.instadapp.io/faq/connectors/calldata-param" target="_blank">API</a>
+
      * @param setId ID stores the amount of token brought.
     */
     function sell(