Remove 'o' prefix

[Allonck]

The overscan correction is no longer applied, so the o prefix is not longer in the documentation because it was confusing for the users.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79.89%. Comparing base (8806796) to head (7d87cd8).

❗ Current head 7d87cd8 differs from pull request most recent head c117421. Consider uploading reports for the commit c117421 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #381   +/-   ##
=======================================
  Coverage   79.89%   79.89%           
=======================================
  Files          15       15           
  Lines        2641     2641           
=======================================
  Hits         2110     2110           
  Misses        531      531           

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