doc tweaks

[dougbrn]

Adds a few small doc tweaks. Resolves #82.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.65%. Comparing base (282bc9b) to head (d19b8e5).
Report is 73 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #84   +/-   ##
=======================================
  Coverage   98.65%   98.65%           
=======================================
  Files          15       15           
  Lines         818      818           
=======================================
  Hits          807      807           
  Misses         11       11           

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[github-actions]

Before [282bc9b]	After [22a3e73]	Ratio	Benchmark (Parameter)
255M	257M	1.01	benchmarks.AssignSingleDfToNestedSeries.peakmem_run
8.84±0.1ms	8.90±0.06ms	1.01	benchmarks.NestedFrameAddNested.time_run
89.4M	90.7M	1.01	benchmarks.NestedFrameQuery.peakmem_run
6.30±0.04ms	6.39±0.08ms	1.01	benchmarks.NestedFrameQuery.time_run
86.6M	86.4M	1	benchmarks.NestedFrameAddNested.peakmem_run
89.4M	89.5M	1	benchmarks.NestedFrameReduce.peakmem_run
275M	276M	1	benchmarks.ReassignHalfOfNestedSeries.peakmem_run
56.7±1ms	56.6±2ms	1	benchmarks.ReassignHalfOfNestedSeries.time_run
5.23±0.06ms	5.20±0.1ms	0.99	benchmarks.NestedFrameReduce.time_run
33.9±1ms	32.9±2ms	0.97	benchmarks.AssignSingleDfToNestedSeries.time_run

Click here to view all benchmarks.

[hombit]

Looks good!