diff --git a/contracts/SmartRoute/adapter/DepthUnderlyingAdapter.sol b/contracts/SmartRoute/adapter/CurveUnderlyingAdapter.sol
similarity index 97%
rename from contracts/SmartRoute/adapter/DepthUnderlyingAdapter.sol
rename to contracts/SmartRoute/adapter/CurveUnderlyingAdapter.sol
index f4154a8..b2f5429 100644
--- a/contracts/SmartRoute/adapter/DepthUnderlyingAdapter.sol
+++ b/contracts/SmartRoute/adapter/CurveUnderlyingAdapter.sol
@@ -15,7 +15,7 @@ import {UniversalERC20} from "../lib/UniversalERC20.sol";
 import {SafeERC20} from "../../lib/SafeERC20.sol";
 
 // for two tokens
-contract DepthUnderlyingAdapter is IDODOAdapter {
+contract CurveUnderlyingAdapter is IDODOAdapter {
     using SafeMath for uint;
 
     //fromToken == token[0], underlying
diff --git a/contracts/SmartRoute/intf/IDepth.sol b/contracts/SmartRoute/intf/IDepth.sol
index 87438af..0b74e65 100644
--- a/contracts/SmartRoute/intf/IDepth.sol
+++ b/contracts/SmartRoute/intf/IDepth.sol
@@ -1,7 +1,7 @@
 pragma solidity 0.6.9;
 pragma experimental ABIEncoderV2;
 
-interface IDepth {
+interface ICurve {
     // solium-disable-next-line mixedcase
     function get_dy_underlying(int128 i, int128 j, uint256 dx) external view returns(uint256 dy);