"docs: update protocol contract docs"

src/pages/developers/architecture/protocol/contracts/Revert.sol/struct.RevertContext.md

@@ -18,7 +18,7 @@ struct RevertContext {
 |Name|Type|Description|
 |----|----|-----------|
 |`sender`|`address`|Address of account that initiated smart contract call.|
-|`asset`|`address`|Address of asset, empty if it's gas token.|
+|`asset`|`address`|Address of asset. On a connected chain, it contains the fungible token address or is empty if it's a gas token. On ZetaChain, it contains the address of the ZRC20.|
 |`amount`|`uint256`|Amount specified with the transaction.|
 |`revertMessage`|`bytes`|Arbitrary data sent back in onRevert.|