docs: fix a few spelling issues (#2478) #2263

Job	Run time
Check Style	7s
unstable features	59s
linux / nightly	1m 22s
MSRV	1m 16s
linux / stable	42s
Android	21s
linux / beta	49s
WASM	1m 17s
macOS / stable	36s
windows / stable-x86_64-msvc	2m 25s
windows / stable-i686-msvc	3m 24s
windows / stable-x86_64-gnu	6m 19s
windows / stable-i686-gnu	6m 47s
feat.: default-tls disabled	46s
feat.: rustls-tls	39s
feat.: rustls-tls-manual-roots	21s
feat.: rustls-tls-native-roots	40s
feat.: rustls-tls-no-provider	21s
feat.: native-tls	50s
feat.: default-tls and rustls-tls	50s
feat.: rustls-tls and rustls-tls-no-provider	24s
feat.: cookies	56s
feat.: blocking	1m 5s
feat.: blocking only	57s
feat.: gzip	55s
feat.: brotli	1m 0s
feat.: deflate	54s
feat.: json	49s
feat.: multipart	45s
feat.: stream	49s
feat.: socks/default-tls	50s
feat.: socks/rustls-tls	49s
feat.: hickory-dns	1m 8s
feat.: zstd	1m 0s
Docs	1m 42s
CI is green	1s
	44m 55s

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