diff --git a/contracts/FollowNFT.sol b/contracts/FollowNFT.sol
index 1479ded..498243d 100644
--- a/contracts/FollowNFT.sol
+++ b/contracts/FollowNFT.sol
@@ -16,6 +16,9 @@ import {StorageLib} from 'contracts/libraries/StorageLib.sol';
 import {FollowTokenURILib} from 'contracts/libraries/token-uris/FollowTokenURILib.sol';
 import {Types} from 'contracts/libraries/constants/Types.sol';
 
+/**
+ * @custom:upgradeable Beacon proxy. The beacon, responsible for returning the implementation address, is the LensHub.
+ */
 contract FollowNFT is HubRestricted, LensBaseERC721, ERC2981CollectionRoyalties, IFollowNFT {
     using Strings for uint256;
 
diff --git a/contracts/LensHub.sol b/contracts/LensHub.sol
index be112b8..008c77e 100644
--- a/contracts/LensHub.sol
+++ b/contracts/LensHub.sol
@@ -42,6 +42,9 @@ import {LensV2Migration} from 'contracts/misc/LensV2Migration.sol';
  * number of NFT contracts and interactions at once. For that reason, we've made two quirky design decisions:
  *      1. Both Follow & Collect NFTs invoke a LensHub callback on transfer with the sole purpose of emitting an event.
  *      2. Almost every event in the protocol emits the current block timestamp, reducing the need to fetch it manually.
+ *
+ * @custom:upgradeable Transparent upgradeable proxy. In this version, without initializer.
+ * See `../misc/LensHubInitializable.sol` for the initializable version.
  */
 contract LensHub is
     LensProfiles,
diff --git a/contracts/misc/LensHubInitializable.sol b/contracts/misc/LensHubInitializable.sol
index 560c986..6fce830 100644
--- a/contracts/misc/LensHubInitializable.sol
+++ b/contracts/misc/LensHubInitializable.sol
@@ -13,6 +13,9 @@ import {VersionedInitializable} from 'contracts/base/upgradeability/VersionedIni
  * @author Lens Protocol
  *
  * @notice Extension of LensHub contract that includes initialization for fresh deployments.
+ *
+ * @custom:upgradeable Transparent upgradeable proxy.
+ * See `../LensHub.sol` for the version without initalizer.
  */
 contract LensHubInitializable is LensHub, VersionedInitializable, ILensHubInitializable {
     // Constant for upgradeability purposes, see VersionedInitializable.
diff --git a/contracts/misc/access/LitAccessControl.sol b/contracts/misc/access/LitAccessControl.sol
index 09360a4..3be46ea 100644
--- a/contracts/misc/access/LitAccessControl.sol
+++ b/contracts/misc/access/LitAccessControl.sol
@@ -13,6 +13,7 @@ import {CollectPublicationAction} from 'contracts/modules/act/collect/CollectPub
  * @notice This contract enables additional access control for encrypted publications on Lens by reporting whether
  *      an address owns or has control over a given profile.
  *
+ * @custom:upgradeable Transparent upgradeable proxy without initializer.
  */
 contract LitAccessControl {
     address internal immutable LENS_HUB;
diff --git a/contracts/modules/act/seadrop/SeaDropMintPublicationAction.sol b/contracts/modules/act/seadrop/SeaDropMintPublicationAction.sol
index 85a8638..25c28e7 100644
--- a/contracts/modules/act/seadrop/SeaDropMintPublicationAction.sol
+++ b/contracts/modules/act/seadrop/SeaDropMintPublicationAction.sol
@@ -19,6 +19,9 @@ import {ILensHub} from 'contracts/interfaces/ILensHub.sol';
 
 import {LensModule} from 'contracts/modules/LensModule.sol';
 
+/**
+ * @custom:upgradeable Transparent upgradeable proxy without initializer.
+ */
 contract SeaDropMintPublicationAction is LensModule, HubRestricted, IPublicationActionModule {
     function supportsInterface(bytes4 interfaceID) public pure override returns (bool) {
         return interfaceID == type(IPublicationActionModule).interfaceId || super.supportsInterface(interfaceID);
diff --git a/contracts/namespaces/LensHandles.sol b/contracts/namespaces/LensHandles.sol
index 53e1d4b..9d75c03 100644
--- a/contracts/namespaces/LensHandles.sol
+++ b/contracts/namespaces/LensHandles.sol
@@ -23,6 +23,8 @@ import {IERC165} from '@openzeppelin/contracts/utils/introspection/IERC165.sol';
  * Handle and local name can be used interchangeably once you are in a context of a namespace, as it became redundant.
  *
  *      handle === ${localName} ; inside some namespace.
+ *
+ * @custom:upgradeable Transparent upgradeable proxy without initializer.
  */
 contract LensHandles is ERC721, ERC2981CollectionRoyalties, ImmutableOwnable, ILensHandles {
     using Address for address;