docs: minor improvements to permissions documentation

[BalduinLandolt]

Pull Request Checklist

Task Description/Number

Issue Number: None

Basic Requirements

Please check if your PR fulfills the following requirements:

• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

• fix: represents bug fixes
• refactor: represents production code refactoring
• feat: represents a new feature
• docs: documentation changes (no production code change)
• chore: maintenance tasks (no production code change)
• test: all about tests: adding, refactoring tests (no production code change)
• other... Please describe:

Does this PR introduce a breaking change?

• Yes
• No
• Maybe (not 100% sure => check with FE)

Does this PR change client-test-data?

• Yes (don't forget to update the JS-LIB team about the change)
• No

[mpro7]

Just question about Knora, should it be DSP-API instead?

[codecov]

Codecov Report

Patch coverage: 96.43% and project coverage change: +0.07 🎉

Comparison is base (1cf4727) 86.63% compared to head (57388dc) 86.70%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2520      +/-   ##
==========================================
+ Coverage   86.63%   86.70%   +0.07%     
==========================================
  Files         287      286       -1     
  Lines       29896    30005     +109     
==========================================
+ Hits        25901    26017     +116     
+ Misses       3995     3988       -7     

Impacted Files	Coverage Δ
webapi/src/main/scala/org/knora/webapi/Main.scala	0.00% <0.00%> (ø)
...c/main/scala/org/knora/webapi/core/AppRouter.scala	100.00% <ø> (ø)
...la/org/knora/webapi/core/actors/RoutingActor.scala	94.11% <ø> (-0.62%)	⬇️
...SpecificGravsearchToCountPrequeryTransformer.scala	91.66% <ø> (ø)
...storeSpecificGravsearchToPrequeryTransformer.scala	91.56% <ø> (ø)
...ravsearch/types/GravsearchTypeInspectionUtil.scala	93.82% <ø> (ø)
...esponder/ontologymessages/OntologyMessagesV2.scala	87.44% <ø> (+0.13%)	⬆️
...ora/webapi/responders/v2/OntologyResponderV2.scala	91.60% <ø> (-0.03%)	⬇️
...slice/ontology/repo/service/OntologyRepoLive.scala	88.23% <50.00%> (ø)
.../src/main/scala/org/knora/webapi/util/Logger.scala	92.00% <92.00%> (ø)
... and 20 more

... and 2 files with indirect coverage changes

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[BalduinLandolt]

Just question about Knora, should it be DSP-API instead?

you're right, I missed some instances. (except of course knora-base and knora-admin where changing it would be a bigger thing)

[seakayone]

Good finding! Thanks, I seem to have missed that when adding the document.

[BalduinLandolt]

I only found it because I ran the docs locally, and then it shows warnings for unused files :)