6th parameter for initializing?

[pstulzer]

Can you please explain what the 6th parameter in ReadMe is defined for.
new Lcd(0, 4, 10, 5, 1, 55);

In the specs are only 5 parameters defined:
new LCD(channel, dc, cs, rst, led)

[Premier]

So, what is the 6th param?

[paranic]

it is not used the documentation is a bit outdated.