Clean up documentation

[cbaker6]

Nits to documentation.

[codecov]

Codecov Report

Merging #152 (4eab589) into main (a63c980) will increase coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #152      +/-   ##
==========================================
+ Coverage   81.98%   81.99%   +0.01%     
==========================================
  Files          70       70              
  Lines        6555     6555              
==========================================
+ Hits         5374     5375       +1     
+ Misses       1181     1180       -1     

Impacted Files	Coverage Δ
...rces/ParseSwift/Types/ParseAnalytics+combine.swift	100.00% <ø> (ø)
Sources/ParseSwift/Types/ParseHealth+Combine.swift	100.00% <ø> (ø)
...t/LiveQuery/Protocols/ParseLiveQueryDelegate.swift	0.00% <0.00%> (-20.00%)	⬇️
Sources/ParseSwift/Objects/ParseUser.swift	81.67% <0.00%> (+0.15%)	⬆️
Sources/ParseSwift/Objects/ParseObject.swift	77.27% <0.00%> (+0.26%)	⬆️

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