Fix for docs

[schneekluth]

Fix inline code annotation for app_dir path.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95%. Comparing base (b4b8f9d) to head (e4f1ca9).
⚠️ Report is 12 commits behind head on main.

Additional details and impacted files

@@         Coverage Diff          @@
##           main   #1288   +/-   ##
====================================
  Coverage    95%     95%           
====================================
  Files        66      66           
  Lines      2753    2756    +3     
====================================
+ Hits       2609    2612    +3     
  Misses      144     144           

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