Updated documentation.

lib/+artoa/+toa/addDrift.m

 function [adjustedToa] = addDrift(pToa, pOffsetBegin, pDrift, pStartTimestep)
-%ADDFLOATDRIFT Summary of this function goes here
-%   Detailed explanation goes here
+%ADDFLOATDRIFT Adds the given drift to the toa.
+%   For a distracted daterange, it is possible to pass all corresponding
+%   timesteps of the toa as pStartTimestep.
 
 %% Prepare return variable
 adjustedToa = pToa;