Fix typos in code docs

[Dragemil]

Late fixes of the @mishioo's comments.

[github-actions]

Test Results

31 tests  ±0   31 ✔️ ±0   14s ⏱️ -10s
  3 suites ±0     0 💤 ±0 
  3 files   ±0     0 ❌ ±0 

Results for commit 8bc8638. ± Comparison against base commit bc66efc.

♻️ This comment has been updated with latest results.

[codecov]

Codecov Report

Merging #31 (8bc8638) into main (bc66efc) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #31   +/-   ##
=======================================
  Coverage   89.26%   89.26%           
=======================================
  Files          16       16           
  Lines         419      419           
=======================================
  Hits          374      374           
  Misses         45       45           

Files	Coverage Δ
...src/LeanCode.Pipe.TestClient/LeanPipeTestClient.cs	100.00% <ø> (ø)
...de.Pipe.TestClient/LeanPipeTestClientExtensions.cs	100.00% <ø> (ø)
...ode.Pipe/LeanPipeEndpointRouteBuilderExtensions.cs	50.00% <ø> (ø)
publisher/src/LeanCode.Pipe/LeanPipePublisher.cs	100.00% <ø> (ø)

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more

[mishioo]

Beside those it looks good