[Docs] Consolidate headings

[martintmk]

Details on the issue fix or feature implementation

Contributes to #1091

Confirm the following

• I started this PR by branching from the head of the default branch
• I have targeted the PR to merge into the default branch
• I have included unit tests for the issue/feature
• I have successfully run a local build

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (2c07f35) 83.93% compared to head (62f3925) 83.93%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1576   +/-   ##
=======================================
  Coverage   83.93%   83.93%           
=======================================
  Files         279      279           
  Lines        6525     6525           
  Branches     1019     1019           
=======================================
  Hits         5477     5477           
  Misses        839      839           
  Partials      209      209           

Flag	Coverage Δ
macos	83.93% <ø> (ø)
windows	83.93% <ø> (ø)

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