docs: small doc changes for flex jobs

[at88mph]

• Python code comment change
• Small update to Flex doc blurb

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 87.48%. Comparing base (5f95cfe) to head (ed402ea).
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #308   +/-   ##
=======================================
  Coverage   87.48%   87.48%           
=======================================
  Files          62       62           
  Lines        4083     4083           
  Branches      502      502           
=======================================
  Hits         3572     3572           
  Misses        365      365           
  Partials      146      146           

Flag	Coverage Δ
3.10	87.46% <ø> (ø)
3.11	87.46% <ø> (ø)
3.12	87.46% <ø> (ø)
3.13	87.46% <ø> (ø)
3.14	87.48% <ø> (ø)

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