translate_diff documentation clarification

[olivierverdier]

The order in description and equations was confusing

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.69%. Comparing base (fe3e49d) to head (1ff3a35).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #746   +/-   ##
=======================================
  Coverage   99.69%   99.69%           
=======================================
  Files         123      123           
  Lines       11415    11415           
=======================================
  Hits        11380    11380           
  Misses         35       35           

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[kellertuer]

Thanks, now I also understand all 4 cases – I was a bit lost in the old description and hence even did not follow up on the corresponding PR then any longer – now it makes more sense for the as well – thanks for fixing that!