Minor fixes to docstrings of functions

[MuditJ]

• What is this new code intended to do? - Improving the in-code documentation by resolving minor issues I noticed
• Are there any related issues? No
• What is the motivation for this change? Enhance the docstrings
• What is an example of usage, or changes to config files? (if applicable) NA

Checklist

• I have read the contributing doc.
• I have included a link to the relevant issue number.
• I have checked to ensure there aren't other open pull requests
  for the same issue.
• I have written new tests for these changes, as needed. (Not needed for this change)

[micahellison]

Thanks for these quick edits, @MuditJ. I had to add a line break due to line length but otherwise they look like fine. I plan to merge them once we figure out what's going on with the tests (which is unrelated to this PR but is blocking it).