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+# ERC 1155 Tokens
+
+This directory contains ERC 1155 token contracts that game studios could choose to use
+directly or extend.
+
+| Contract                | Description                                                                        |
+|-------------------------|------------------------------------------------------------------------------------|
+| preset/ImmutableERC1155 | Provides basic ERC1155 contract that support Burnable, Permit and Royalty features | 
+
+[Read more On the EIP](https://eips.ethereum.org/EIPS/eip-1155)
+
+## ImmutableERC1155
+
+The ImmutableERC1155 contract allows clients to mint multiple different tokens with different token ids within the
+same collection. The contract features methods to allow for minting multiples of multiple token ids to simplify the
+minting flow and reduce gas costs. This contract is built on top of
+the [Openzeppelin implementation of EIP-1155](https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/token/ERC1155/ERC1155.sol).
+
+### Features
+
+- Permits: Includes the permit method for gasless approvals using ECDSAPermit signatures.
+- Royalties: Implements royalty tracking and retrieval as per the EIP-2981 standard.
+- AccessControl: Provides role-based access control for granting, revoking, and retrieving roles.
+- Base URI: Allows for setting a base URI for all token URIs.
+- Contract URI: Allows for setting a URI for a contract level metadata.
+- Operator Allowlist: Enforces Operator Allowlist to ensure royalties are respected by the operator.
+
+## Status
+
+Contract threat models and audits:
+
+| Description    | Date         | Version Audited                                                                                 | Link to Report                                                                                                    |
+|----------------|--------------|-------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------|
+| Internal audit | Feb 21, 2024 | [b3e2858](https://github.com/immutable/contracts/tree/b3e28586f16cc3759b66a3d825af3b9f78a49783) | [audits/token/202312-threat-model-preset-erc1155.md](../../../audits/token/202312-threat-model-preset-erc1155.md) |
+
+## Architecture
+
+![ImmutableERC1155 Architecture](../../../audits/token/202312-threat-model-preset-erc1155/ImmutableERC1155.jpg)
+
+## Contracts
+
+Following contracts are not intended to be upgradable.
+
+### preset/ImmutableERC1155
+
+The ImmutableERC1155 contract is a version of the Immutable's preset 1155 contract. It has been internally audited and
+is ready to be used. The contract contains all external facing interfaces that are needed to interact(read and write)
+with deployed ERC1155 collections.
+
+### abstract/ERC1155Permit
+
+This is an abstract contract used as an ancestor to the preset 1155. It contains the permit feature for the
+preset, allowing token owners to give approval and permission to a secure and trusted actor. This action is gasless for
+the token owner but will require gas from the approved operator. Please note that using permits in an ERC1155
+collections exposes all the tokens owned by an address to the approved operator. Please double-check to make sure the
+operator is secure and trusted.
+
+### abstract/IERC1155Permit
+
+Provides the required interface for ERC1155Permit.
+
+### abstract/ImmutableERC1155Base
+
+This is another abstract contract used as an ancestor to the preset 1155. It implements many of the internal methods for
+the preset that are not directly public facing for everyday uses. It contains functionalities to update royalties, set
+URIs and manage collection roles.
+
diff --git a/contracts/token/erc1155/preset/README.md b/contracts/token/erc1155/preset/README.md
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-# ERC1155 contracts
-
-The ImmutableERC1155 contracts allows clients to mint multiple different tokens with different token ids within the same collection. The contract features methods to allow for minting multiples of multiple token ids to simplify the minting flow and reduce gas costs. This contract is built on top of the [Openzeppelin implemention of EIP-1155](https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/token/ERC1155/ERC1155.sol).
-
-[Read more On the Threat Model](../../../../audits/token/202312-threat-model-preset-erc1155.md)
-
-[Read more On the EIP](https://eips.ethereum.org/EIPS/eip-1155)
-
-## preset/ImmutableERC1155
-
-The ImmutableERC1155 contract is a version of the Immutable's preset 1155 contract. It has been internally audited and is ready to be used. The contract contains all external facing interfaces that are needed to interact(read and write) with deployed ERC1155 collections.
-
-## abstract/ERC1155Permit
-
-This is an abstract contract that is used as an ancestor to the preset 1155. It contains the permit feature for the preset, allowing token owners to give approval and permission to a secure and trusted actor. This action is gasless for the token owner but will require gas from the approved operator. Please note that using permits in an ERC1155 collections exposes all the tokens owned by an address to the approved operator. Please double check to make sure the operator is secure and trusted.
-
-## abstract/IERC1155Permit
-
-Provides the required interface for ERC1155Permit.
-
-## abstract/ImmutableERC1155Base
-
-This is another abstract contract used as an ancestor to the preset 1155. It implements many of the internal methods for the preset that are not directly public facing for everyday uses. It contains functionalities to update royalties, set URIs and manage collection roles.