diff --git a/pallets/asset-metadata-extender/src/precompiles/asset_metadata_extender/contracts/AssetMetadataExtender.sol b/pallets/asset-metadata-extender/src/precompiles/asset_metadata_extender/contracts/AssetMetadataExtender.sol
index 4a45d9462..4a62fc113 100644
--- a/pallets/asset-metadata-extender/src/precompiles/asset_metadata_extender/contracts/AssetMetadataExtender.sol
+++ b/pallets/asset-metadata-extender/src/precompiles/asset_metadata_extender/contracts/AssetMetadataExtender.sol
@@ -7,6 +7,9 @@ pragma solidity >=0.8.3;
 /// @custom:address 0x0000000000000000000000000000000000000405
 interface AssetMetadataExtender {
     /// @notice Emitted when a token metadata is extended
+    /// @notice The emitted universal location and tokenURI have not undergone
+    /// @notice any on-chain validation. Users are fully responsible for accuracy,
+    /// @notice authenticity and preventing potential misuse or exploits.
     /// @param _claimer the address of the caller
     /// @param _universalLocationHash keccak256 hash of the universal location
     /// @param _universalLocation The universal location of the token
@@ -19,6 +22,9 @@ interface AssetMetadataExtender {
     );
 
     /// @notice Emitted when an extended token's URI is updated
+    /// @notice The emitted universal location and tokenURI have not undergone
+    /// @notice any on-chain validation. Users are fully responsible for accuracy,
+    /// @notice authenticity and preventing potential misuse or exploits.
     /// @param _claimer the address of the user who updated the token URI
     /// @param _universalLocationHash keccak256 hash of the universal location
     /// @param _universalLocation the universal location of the token
@@ -31,6 +37,9 @@ interface AssetMetadataExtender {
     );
 
     /// @notice Extends the metadata of a token
+    /// @notice The universal location and tokenURI provided to this method do not undergo
+    /// @notice any on-chain validation. Users are fully responsible for accuracy,
+    /// @notice authenticity and preventing potential misuse or exploits.
     /// @dev Emits the ExtendedULWithExternalURI event upon success
     /// @dev Reverts if the UL has been extended previously
     /// @param _uloc the Universal Location as a string identifying the token
@@ -41,6 +50,9 @@ interface AssetMetadataExtender {
     ) external;
 
     /// @notice Updates the URI of an extended token
+    /// @notice The universal location and tokenURI provided to this method do not undergo
+    /// @notice any on-chain validation. Users are fully responsible for accuracy,
+    /// @notice authenticity and preventing potential misuse or exploits.
     /// @param _uloc The universal location identifier of the token
     /// @param _tokenURI The new URI to be set for the token
     function updateExtendedULWithExternalURI(
@@ -63,6 +75,9 @@ interface AssetMetadataExtender {
     ) external view returns (address);
 
     /// @notice Returns the tokenURI for an extension at a given index
+    /// @notice The tokenURI returned by this method has not undergone
+    /// @notice any on-chain validation. Users are fully responsible for accuracy,
+    /// @notice authenticity and preventing potential misuse or exploits.
     /// @param _uloc The Universal Location string identifying the asset
     /// @param _index The index of the extension
     /// @return The tokenURI of the extension
@@ -72,6 +87,9 @@ interface AssetMetadataExtender {
     ) external view returns (string memory);
 
     /// @notice Returns the extension of a Universal Location made by a claimer
+    /// @notice The extension returned by this method has not undergone
+    /// @notice any on-chain validation. Users are fully responsible for accuracy,
+    /// @notice authenticity and preventing potential misuse or exploits.
     /// @dev Reverts if the Universal Location has no extension by the provided claimer
     /// @param _universalLocation The Universal Location
     /// @param _claimer The address of the claimer
diff --git a/pallets/laos-evolution/src/precompiles/evolution_collection/contracts/EvolutionCollection.sol b/pallets/laos-evolution/src/precompiles/evolution_collection/contracts/EvolutionCollection.sol
index eaeda95fc..adfb0c55e 100644
--- a/pallets/laos-evolution/src/precompiles/evolution_collection/contracts/EvolutionCollection.sol
+++ b/pallets/laos-evolution/src/precompiles/evolution_collection/contracts/EvolutionCollection.sol
@@ -6,6 +6,9 @@ pragma solidity >=0.8.3;
 /// @notice This interface allows Solidity contracts to interact with pallet-laos-evolution
 interface EvolutionCollection {
     /// @notice Emitted when a new token is minted
+    /// @notice The emitted tokenURI has not undergone any on-chain validation.
+    /// @notice Users are fully responsible for accuracy,
+    /// @notice authenticity and preventing potential misuse or exploits.
     /// @dev Id of the token is concatenation of `slot` and `to`
     /// @param _to the initial owner of the newly minted token
     /// @param _slot the slot of the token
@@ -19,6 +22,9 @@ interface EvolutionCollection {
     );
 
     /// @notice Emitted when a token metadata is updated
+    /// @notice The emitted tokenURI has not undergone any on-chain validation.
+    /// @notice Users are fully responsible for accuracy,
+    /// @notice authenticity and preventing potential misuse or exploits.
     /// @param _tokenId the id of the token for which the metadata has changed
     /// @param _tokenURI the new URI of the token
     event EvolvedWithExternalURI(uint256 indexed _tokenId, string _tokenURI);
@@ -43,12 +49,18 @@ interface EvolutionCollection {
     function owner() external view returns (address);
 
     /// @notice Provides a distinct Uniform Resource Identifier (URI) for a given token within a specified collection.
+    /// @notice The tokenURI returned by this method has not undergone
+    /// @notice any on-chain validation. Users are fully responsible for accuracy,
+    /// @notice authenticity and preventing potential misuse or exploits.
     /// @dev Implementations must follow the ERC-721 standard for token URIs, which should point to a JSON file conforming to the "ERC721 Metadata JSON Schema".
     /// @param _tokenId The unique identifier of the token within the specified collection.
     /// @return A string representing the URI of the specified token.
     function tokenURI(uint256 _tokenId) external view returns (string memory);
 
     /// @notice Mint a new token
+    /// @notice The tokenURI provided to this method does not undergo
+    /// @notice any on-chain validation. Users are fully responsible for accuracy,
+    /// @notice authenticity and preventing potential misuse or exploits.
     /// @dev Call this function to mint a new token, the caller must be the owner of the collection
     /// @param _to the owner of the newly minted token
     /// @param _slot the slot of the token
@@ -61,6 +73,9 @@ interface EvolutionCollection {
     ) external returns (uint256);
 
     /// @notice Changes the tokenURI of an existing token
+    /// @notice The tokenURI provided to this method does not undergo
+    /// @notice any on-chain validation. Users are fully responsible for accuracy,
+    /// @notice authenticity and preventing potential misuse or exploits.
     /// @dev Call this function to evolve an existing token, the caller must be the owner of the collection
     /// @param _tokenId the id of the token
     /// @param _tokenURI the new tokenURI of the token