Change hls api description

[Karolk99]

Acknowledging the stipulations set forth:

• [ X] I hereby confirm that a Pull Request involving updates to the Software Development Kit (SDK) has been smoothly merged, currently awaits processing, or is otherwise deemed unnecessary in this context.
• [ ] I also affirm that another Pull Request, specifically addressing updates to the documentation body (commonly referred to as 'docs'), has either been successfully incorporated, is in the process of review, or is considered superfluous under the prevailing circumstances.

[codecov[bot]]

Codecov Report

Merging #113 (380a854) into main (d34683b) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #113   +/-   ##
=======================================
  Coverage   86.24%   86.24%           
=======================================
  Files          50       50           
  Lines         923      923           
=======================================
  Hits          796      796           
  Misses        127      127           

Files	Coverage Δ
lib/jellyfish_web/controllers/hls_controller.ex	90.00% <ø> (ø)
.../jellyfish_web/controllers/recording_controller.ex	86.66% <ø> (ø)

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