Fix typo

apps/explorer/test/support/fixture/smart_contract/issue_with_constructor_args.sol

@@ -557,7 +557,7 @@ abstract contract ERC1967Upgrade {
      * @dev Initializes the upgradeable proxy with an initial implementation specified by `_logic`.
      *
      * If `_data` is nonempty, it's used as data in a delegate call to `_logic`. This will typically be an encoded
-     * function call, and allows initializating the storage of the proxy like a Solidity constructor.
+     * function call, and allows initializing the storage of the proxy like a Solidity constructor.
      */
     constructor(address _logic, bytes memory _data) payable {
         assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));
@@ -570,4 +570,4 @@ abstract contract ERC1967Upgrade {
     function _implementation() internal view virtual override returns (address impl) {
         return ERC1967Upgrade._getImplementation();
     }
-}
+}