     }
 
     /**
-     Converts `amount` from a `source unit` to a `destination unit`.
-     
-     - parameter amount: `amount` to be converted.
-     - parameter from: `source unit`.
-     - parameter to: `destination unit`.
-     
-     - returns: `amount` converted from a `source unit` to a `destination unit`.
+     Converts `amount` from `source unit` to `destination unit`.
+     
+     - parameter amount: `amount` in `source unit`.
+     - parameter from: `source unit`.
+     - parameter to: `destination unit`.
+     
+     - returns: `amount` converted from `source unit` to `destination unit`.
      
      - author: Michal Konturek
      */

    }

    /**
     Converts `amount` from a `source unit` to the `current unit`.
     
     - parameter amount: given `amount` in the `source unit`.
     - parameter from: given `source unit`.
     
     - returns: `amount` converted from a `source unit` to the `current unit`.
     
     - author: Michal Konturek
     */

    }

    /**
     Returns `true` if `this unit` is convertible with `other unit`.
     
     - parameter with: `other unit` to compare with.
     
     - author: Michal Konturek
     */
    public func isConvertible(with: Unit) -> Bool {
        return with.dynamicType == self.dynamicType
