atan2: wrong function reference in https://www.arduino.cc/en/Reference/MathHeader

[shiftleftplusone]

atan2:
wrong function reference in https://www.arduino.cc/en/Reference/MathHeader

it says

double  atan2 (double __y, // arc tangent of y/x

but atan2 has 2 arguments:

double atan2 ( double Yaxis, double Xaxis);

[shiftleftplusone]

this should be added to the reference, too:

https://cloud.githubusercontent.com/assets/423515/11477995/d0cf487c-978a-11e5-96b3-e2148e6af70e.png

[agdl]

fixed thank you!