diff --git a/ethereum/contracts/zksync/interfaces/IAdmin.sol b/ethereum/contracts/zksync/interfaces/IAdmin.sol
index e4e6fd709..4ef552f9b 100644
--- a/ethereum/contracts/zksync/interfaces/IAdmin.sol
+++ b/ethereum/contracts/zksync/interfaces/IAdmin.sol
@@ -5,6 +5,9 @@ pragma solidity 0.8.20;
 import {IBase} from "./IBase.sol";
 import {Diamond} from "../libraries/Diamond.sol";
 
+/// @title The interface of the Admin Contract that controls access rights for contract management.
+/// @author Matter Labs
+/// @custom:security-contact security@matterlabs.dev
 interface IAdmin is IBase {
     /// @notice Starts the transfer of governor rights. Only the current governor can propose a new pending one.
     /// @notice New governor can accept governor rights by calling `acceptGovernor` function.
diff --git a/ethereum/contracts/zksync/interfaces/IBase.sol b/ethereum/contracts/zksync/interfaces/IBase.sol
index 3076ae2d1..bbe7af652 100644
--- a/ethereum/contracts/zksync/interfaces/IBase.sol
+++ b/ethereum/contracts/zksync/interfaces/IBase.sol
@@ -1,6 +1,9 @@
 // SPDX-License-Identifier: UNLICENSED
 pragma solidity 0.8.20;
 
+/// @title The interface of the zkSync contract, responsible for the main zkSync logic.
+/// @author Matter Labs
+/// @custom:security-contact security@matterlabs.dev
 interface IBase {
     /// @return Returns facet name.
     function getName() external view returns (string memory);
diff --git a/ethereum/contracts/zksync/interfaces/IExecutor.sol b/ethereum/contracts/zksync/interfaces/IExecutor.sol
index ec0e8507b..379907b0f 100644
--- a/ethereum/contracts/zksync/interfaces/IExecutor.sol
+++ b/ethereum/contracts/zksync/interfaces/IExecutor.sol
@@ -25,6 +25,9 @@ uint256 constant L2_LOG_KEY_OFFSET = 24;
 /// @dev Offset used to pull Value From Log. Equal to 4 (bytes for isService) + 20 (bytes for address) + 32 (bytes for key)
 uint256 constant L2_LOG_VALUE_OFFSET = 56;
 
+/// @title The interface of the zkSync Executor contract capable of processing events emitted in the zkSync protocol.
+/// @author Matter Labs
+/// @custom:security-contact security@matterlabs.dev
 interface IExecutor is IBase {
     /// @notice Rollup batch stored data
     /// @param batchNumber Rollup batch number
diff --git a/ethereum/contracts/zksync/interfaces/IGetters.sol b/ethereum/contracts/zksync/interfaces/IGetters.sol
index 2efd3aafe..3bfa21d7d 100644
--- a/ethereum/contracts/zksync/interfaces/IGetters.sol
+++ b/ethereum/contracts/zksync/interfaces/IGetters.sol
@@ -6,6 +6,9 @@ import {PriorityOperation} from "../libraries/PriorityQueue.sol";
 import {VerifierParams, UpgradeState} from "../Storage.sol";
 import "./IBase.sol";
 
+/// @title The interface of the Getters Contract that implements functions for getting contract state from outside the blockchain.
+/// @author Matter Labs
+/// @custom:security-contact security@matterlabs.dev
 interface IGetters is IBase {
     /*//////////////////////////////////////////////////////////////
                             CUSTOM GETTERS
diff --git a/ethereum/contracts/zksync/interfaces/ILegacyGetters.sol b/ethereum/contracts/zksync/interfaces/ILegacyGetters.sol
index db47a1148..2ecc9dde8 100644
--- a/ethereum/contracts/zksync/interfaces/ILegacyGetters.sol
+++ b/ethereum/contracts/zksync/interfaces/ILegacyGetters.sol
@@ -7,6 +7,7 @@ import {IBase} from "./IBase.sol";
 /// @author Matter Labs
 /// @dev This interface contains getters for the zkSync contract that should not be used,
 /// but still are kept for backward compatibility.
+/// @custom:security-contact security@matterlabs.dev
 interface ILegacyGetters is IBase {
     /// @return The total number of batches that were committed
     /// @dev It is a *deprecated* method, please use `getTotalBatchesCommitted` instead
diff --git a/ethereum/contracts/zksync/interfaces/IMailbox.sol b/ethereum/contracts/zksync/interfaces/IMailbox.sol
index 77d816799..6fbe09c86 100644
--- a/ethereum/contracts/zksync/interfaces/IMailbox.sol
+++ b/ethereum/contracts/zksync/interfaces/IMailbox.sol
@@ -13,6 +13,9 @@ enum TxStatus {
     Success
 }
 
+/// @title The interface of the zkSync Mailbox contract that provides interfaces for L1 <-> L2 interaction.
+/// @author Matter Labs
+/// @custom:security-contact security@matterlabs.dev
 interface IMailbox is IBase {
     /// @dev Structure that includes all fields of the L2 transaction
     /// @dev The hash of this structure is the "canonical L2 transaction hash" and can be used as a unique identifier of a tx
diff --git a/ethereum/contracts/zksync/interfaces/IVerifier.sol b/ethereum/contracts/zksync/interfaces/IVerifier.sol
index 7638a577c..1fbac964c 100644
--- a/ethereum/contracts/zksync/interfaces/IVerifier.sol
+++ b/ethereum/contracts/zksync/interfaces/IVerifier.sol
@@ -2,6 +2,9 @@
 
 pragma solidity 0.8.20;
 
+/// @title The interface of the Verifier contract, responsible for the zero knowledge proof verification.
+/// @author Matter Labs
+/// @custom:security-contact security@matterlabs.dev
 interface IVerifier {
     /// @dev Verifies a zk-SNARK proof.
     /// @return A boolean value indicating whether the zk-SNARK proof is valid.
diff --git a/ethereum/contracts/zksync/interfaces/IZkSync.sol b/ethereum/contracts/zksync/interfaces/IZkSync.sol
index 9f58e16b6..12f6eb6ca 100644
--- a/ethereum/contracts/zksync/interfaces/IZkSync.sol
+++ b/ethereum/contracts/zksync/interfaces/IZkSync.sol
@@ -7,4 +7,10 @@ import {IAdmin} from "./IAdmin.sol";
 import {IExecutor} from "./IExecutor.sol";
 import {IGetters} from "./IGetters.sol";
 
-interface IZkSync is IMailbox, IAdmin, IExecutor, IGetters {}
+/// @title The interface of the zkSync contract, responsible for the main zkSync logic.
+/// @author Matter Labs
+/// @dev This interface combines the interfaces of all the facets of the zkSync contract.
+/// @custom:security-contact security@matterlabs
+interface IZkSync is IMailbox, IAdmin, IExecutor, IGetters {
+
+}