Tuto and doc updates

[JulienT01]

Tuto and doc updates

• removing beta (early accept)
• removing typos

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (d3244a3) to head (c78bf9f).
⚠️ Report is 4 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main        #8   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            5         5           
  Lines          396       396           
=========================================
  Hits           396       396           

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