SNOW-1369263: Fixing documentation on SnowflakeFile.

[sfc-gh-lschmidt]

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1. What GitHub issue is this PR addressing? Make sure that there is an accompanying issue to your PR.

   Fixes SNOW-1369263

2. Fill out the following pre-review checklist:

   • [ ] I am adding a new automated test(s) to verify correctness of my new code
   • [ ] I am adding new logging messages
   • [ ] I am adding a new telemetry message
   • [ ] I am adding new credentials
   • [ ] I am adding a new dependency

3. Please describe how your code solves the related issue.

   Update comments

Pre-review checklist

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• [ ] This change has passed precommit
• [ ] I have reviewed code coverage report for my PR in (Sonarqube)