Misc update docstring

[kayjan]

Description

Testing

Additional notes

Checklist

I have read through the contributing guidelines and ensured that

• I have added a descriptive title for this pull request.
• I have followed the convention and standards, and my code is checked for style and correctness.
• I have added test cases, and unit tests pass with 100% code coverage.
• I have updated the documentation and code docstrings.

Checklist (for reviewer)

• I have added label (breaking / enhancement / bug / documentation) to this pull request, if applicable.
• I will ensure this change is captured in the CHANGELOG.md file.

[github-actions]

Package	Line Rate	Branch Rate	Complexity	Health
bigtree	100%	100%	0	✔
bigtree.binarytree	100%	100%	0	✔
bigtree.dag	100%	100%	0	✔
bigtree.node	100%	100%	0	✔
bigtree.tree	100%	100%	0	✔
bigtree.tree.construct	100%	100%	0	✔
bigtree.tree.export	100%	100%	0	✔
bigtree.utils	100%	100%	0	✔
Summary	100% (3129 / 3129)	100% (1132 / 1132)	0	✔

[github-actions]

Benchmark

Benchmark suite	Current: fc931eb	Previous: dee9d86	Ratio
tests/node/test_node_benchmark.py::test_node_benchmark_width_1_depth_10	19703.191127719805 iter/sec (stddev: 0.000004746524977714831)	19468.812908549837 iter/sec (stddev: 0.000007099210661807834)	0.99
tests/node/test_node_benchmark.py::test_node_benchmark_width_1_depth_100	440.84114606642635 iter/sec (stddev: 0.00005151386038698721)	578.4102475322768 iter/sec (stddev: 0.000007562789867725804)	1.31
tests/node/test_node_benchmark.py::test_node_benchmark_width_1_depth_1000	14.676356179003504 iter/sec (stddev: 0.00018847224144626258)	16.73804478936935 iter/sec (stddev: 0.000046013913126091316)	1.14
tests/node/test_node_benchmark.py::test_node_benchmark_width_2_depth_10	91.16440137334875 iter/sec (stddev: 0.00025399848336467686)	92.31327740299375 iter/sec (stddev: 0.00019200438125154023)	1.01
tests/node/test_node_benchmark.py::test_node_benchmark_width_1_depth_10_no_assertions	41122.479197186556 iter/sec (stddev: 0.000003924725477456682)	48136.51515642004 iter/sec (stddev: 0.0000030870160750639504)	1.17
tests/node/test_node_benchmark.py::test_node_benchmark_width_1_depth_10_no_assertions_config	31391.457756162807 iter/sec (stddev: 0.000018551087821264945)	37053.77985643355 iter/sec (stddev: 0.000012372954456993554)	1.18
tests/node/test_node_benchmark.py::test_node_benchmark_width_1_depth_100_no_assertions	3253.2729959299386 iter/sec (stddev: 0.000006132242137158129)	3668.0065283194954 iter/sec (stddev: 0.00000548297669171701)	1.13
tests/node/test_node_benchmark.py::test_node_benchmark_width_1_depth_100_no_assertions_config	3213.136329512626 iter/sec (stddev: 0.000009029046488924902)	3680.476489219905 iter/sec (stddev: 0.000004517493092686739)	1.15
tests/node/test_node_benchmark.py::test_node_benchmark_width_1_depth_1000_no_assertions	118.32833700798386 iter/sec (stddev: 0.006991908126953291)	165.37105200075473 iter/sec (stddev: 0.004120071858328139)	1.40
tests/node/test_node_benchmark.py::test_node_benchmark_width_1_depth_1000_no_assertions_config	280.94881979222754 iter/sec (stddev: 0.00002427603645895456)	336.7650761010352 iter/sec (stddev: 0.0000035234423803473703)	1.20
tests/node/test_node_benchmark.py::test_node_benchmark_width_2_depth_10_no_assertions	204.38255259324652 iter/sec (stddev: 0.00007203798825498386)	208.18224723597757 iter/sec (stddev: 0.00020108497582430613)	1.02
tests/node/test_node_benchmark.py::test_node_benchmark_width_2_depth_10_no_assertions_config	118.53019874776214 iter/sec (stddev: 0.00530568373803817)	129.81414119961474 iter/sec (stddev: 0.003936655783910275)	1.10

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