(WIP) Express relay docs

Author: aditya520

pages/express-relay/integrate-as-protocol.mdx

@@ -91,7 +91,8 @@ interface IExpressRelayFeeReceiver {
 ```
 
 
-The following code snippet shows a sample liquidation method via Express Relay:
+The following code snippet shows a sample liquidation method via Express Relay.
+Note: The highlighted lines show the contract's relevant additions for Express Relay integration.
 
 ```solidity showLineNumbers {1,2,12,14,21,38-42, 57-61} copy
 import "@pythnetwork/express-relay-sdk-solidity/IExpressRelay.sol";
@@ -163,7 +164,7 @@ contract EasyLend is IExpressRelayFeeReceiver {
 
 ## Expose Liquidation Opportunities to Searchers
 
-Protocols must fetch vaults and positions eligible for liquidation and expose them to Express Relay for auction.
+Protocols should fetch vaults and positions eligible for liquidation and expose them to Express Relay for auction.
 
 The Express Relay auction server provides a **POST** method, `/v1/opportunities`, which accepts a JSON payload containing the details of the liquidation opportunity.
 
@@ -205,7 +206,7 @@ You may find these additional resources helpful for integrating Express Relay as
 
 ### Example Application
 
-[Easy Lend](https://github.com/pyth-network/pyth-crosschain/tree/main/express_relay/examples/easy_lend) is a simple lending protocol that allows users to borrow and lend assets. This lending protocol contract is updated to permit Express Relay transactions.
+[Easy Lend](https://github.com/pyth-network/pyth-crosschain/tree/main/express_relay/examples/easy_lend) is a dummy lending protocol contract that allows users to borrow and lend assets. This lending protocol contract is updated to permit Express Relay transactions.
 
 ### Contract Address