docs: apply suggestions

Co-authored-by: MathisGD <74971347+MathisGD@users.noreply.github.com>
Signed-off-by: Merlin Egalite <44097430+MerlinEgalite@users.noreply.github.com>

Author: MerlinEgalite

src/wsteth-exchange-rate-adapter/WstEthStEthExchangeRateChainlinkAdapter.sol

@@ -16,10 +16,11 @@ contract WstEthStEthExchangeRateChainlinkAdapter is MinimalAggregatorV3Interface
     /// @notice The description of the price feed.
     string public constant description = "wstETH/stETH exchange rate";
 
-    /// @notice The address of stETH on Mainnet.
+    /// @notice The address of stETH on Ethereum.
     IStEth public constant ST_ETH = IStEth(0xae7ab96520DE3A18E5e111B5EaAb095312D7fE84);
 
     /// @inheritdoc MinimalAggregatorV3Interface
+    /// @dev Returns zero for roundId, startedAt, updatedAt and answeredInRound.
     /// @dev Silently overflows if `getPooledEthByShares`'s return value is greater than `type(int256).max`.
     function latestRoundData() external view returns (uint80, int256, uint256, uint256, uint80) {
         // It is assumed that `getPooledEthByShares` returns a price with 18 decimals precision.

src/wsteth-exchange-rate-adapter/interfaces/MinimalAggregatorV3Interface.sol

@@ -5,7 +5,7 @@ pragma solidity >=0.5.0;
 /// https://github.com/smartcontractkit/chainlink/blob/master/contracts/src/v0.8/shared/interfaces/AggregatorV3Interface.sol
 /// @dev This is the minimal feed interface required by `MorphoChainlinkOracleV2`.
 interface MinimalAggregatorV3Interface {
-    /// @notice Returns the number of decimals precision.
+    /// @notice Returns the precision of the feed.
     function decimals() external view returns (uint8);
 
     /// @notice Returns Chainlink's `latestRoundData` return values.