doc: some doc fixes done while writing the tutorial for NetSci'24 #1590

Job	Run time
Build sdist and test extra dependencies	2m 50s
Build wheels on Linux (aarch64/musllinux)	0s
Build wheels on Linux (x86_64)	58s
Build wheels on Linux (aarch64/manylinux)	0s
Build wheels on Linux (i686)	43s
Build wheels on macOS (x86_64)	58s
Build wheels for WebAssembly	6m 59s
Build wheels on macOS (arm64)	1m 3s
Build wheels on Windows (Win32)	1m 49s
Build with sanitizers for debugging purposes	39s
Build wheels on Windows (x64)	1m 41s
	17m 40s

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