Fix comment (#361)

Author: orenyomtov

contracts/v0.8/utils/Actor.sol

@@ -33,7 +33,7 @@ library Actor {
     /// @notice flag used to indicate that the call_actor or call_actor_id should perform a static_call to the desired actor
     uint64 constant READ_ONLY_FLAG = 0x00000001;
 
-    /// @notice flag used to indicate that the call_actor or call_actor_id should perform a delegate_call to the desired actor
+    /// @notice flag used to indicate that the call_actor or call_actor_id should perform a call to the desired actor
     uint64 constant DEFAULT_FLAG = 0x00000000;
 
     /// @notice the provided address is not valid