DOC: Fix typos in documentation #5583

Job	Run time
pytest on windows	6m 30s
Build & verify package	13s
Check code style issues	31s
pytest on 3.8 (crypto-lib: cryptography)	5m 10s
pytest on 3.9 (crypto-lib: cryptography)	5m 24s
pytest on 3.10 (crypto-lib: cryptography)	5m 25s
pytest on 3.11 (crypto-lib: cryptography)	5m 2s
pytest on 3.12 (crypto-lib: cryptography)	6m 40s
pytest on 3.13 (crypto-lib: cryptography)	6m 42s
pytest on 3.8 (crypto-lib: pycryptodome)	5m 20s
pytest on 3.8 (crypto-lib: none)	5m 12s
Combine & check coverage.	17s
	52m 26s

Provide feedback