Update for contribution

[CWWhitney]

@katjaschiffers was there an issue with the calculations or statements in the poster?

[katjaschiffers]

@katjaschiffers was there an issue with the calculations or statements in the poster?

@CWWhitney : I have corrected the calculation also in the master now (had done it in another branch end of 2019 already I think) and pushed it, so issue should be solved