docs fix spelling issues (#862) #1938

Job	Run time
check commits	0s
integration test	17m 10s
frontend tests on ubuntu-latest	4m 41s
backend build on ubuntu-latest	4m 54s
frontend tests on windows-latest	7m 42s
lint	5m 57s
backend build on windows-latest	7m 11s
frontend tests on macOS-latest	4m 48s
RPC proto compilation check	6m 17s
backend build on macOS-latest	7m 14s
check release notes updated	5s
unit-race	2m 42s
unit tests	5m 3s
	1h 13m 44s

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