Interactive K-Means: how to add centroids, stale documentation

Hi,
I am using your Interactive K-means option and as I was searcing for the way to modify the number of centroids, I couldn't find the option. Looking at the help menu, I see that it is supposed to be available. Maybe the screen captures refer to a previous version and this option disappeared?
Thanks for your time

Start with the Interactive K-Means widget and its help menu, then compare the documented centroid controls and screenshots with the current interface. Done means the help accurately explains how to add or modify centroids, or clearly records that the option is unavailable in the current version.

Written by the indexing model from the issue text.