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NSNumberFormatter maximumFractionDigits and maximumSignificantDigits error

Is this a mistake when using maximumFractionDigits and maximumSignificantDigits together in NSNumberForamtter on iOS 8?

 NSNumberFormatter *formatter = [[NSNumberFormatter alloc] init]; formatter.maximumFractionDigits = 2; formatter.maximumSignificantDigits = 3; NSLog(@"%@", [formatter stringFromNumber:@(0.3333)]); // output 0.333 expected 0.33

It works fine if I use only maximumFractionDigits

 NSNumberFormatter *formatter = [[NSNumberFormatter alloc] init]; formatter.maximumFractionDigits = 2; NSLog(@"%@", [formatter stringFromNumber:@(0.3333)]); // output expected .33
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