Fix typos and update hyperlinks

[alexfreudenberg]

Maybe relative links to internal files would help to avoid breaking them?

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -0.07 ⚠️

Comparison is base (5a4d58f) 85.89% compared to head (a4e82a5) 85.83%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #503      +/-   ##
==========================================
- Coverage   85.89%   85.83%   -0.07%     
==========================================
  Files          39       39              
  Lines        9571     9571              
==========================================
- Hits         8221     8215       -6     
- Misses       1350     1356       +6     

see 5 files with indirect coverage changes

☔ View full report in Codecov by Sentry.
📢 Do you have feedback about the report comment? Let us know in this issue.

[chriselrod]

Thanks!
But in this case the problem was that the files changed directories, e.g. moving from src to src/modeling. This break would not have been avoided by making the paths relative.