diff --git a/contracts/SitesNFTs.sol b/contracts/SitesNFTs.sol
index 85f8991..47e2f81 100644
--- a/contracts/SitesNFTs.sol
+++ b/contracts/SitesNFTs.sol
@@ -20,6 +20,11 @@ contract SitesNFTs is ERC721URIStorage, AccessControl {
         _;
     }
 
+    modifier tokenBelongsToAddress(uint256 tokenId, address holderAddress) {
+        require(ownerOf(tokenId) == holderAddress, "Address doesnt own tokenId.");
+        _;
+    }
+
     constructor(string memory name, string memory symbol) ERC721(name, symbol) {
         baseURI = "data:application/json;base64,";
         _setupRole(DEFAULT_ADMIN_ROLE, msg.sender);
@@ -34,6 +39,10 @@ contract SitesNFTs is ERC721URIStorage, AccessControl {
         return newItemId;
     }
 
+    function updateTokenURI(address tokenHolderAddress, uint256 tokenId, string memory newTokenURI) public canMint() {
+
+    }
+
     function supportsInterface(bytes4 interfaceId) public view virtual override(ERC721, AccessControl) returns (bool) {
         return super.supportsInterface(interfaceId);
     }