docs: Fix typos #1048

Job	Run time
mix deps.get	16s
mix hex.audit	26s
MIX_ENV=test mix.compile	48s
mix credo --strict	59s
mix doctor --full --raise	42s
mix format --check-formatted	34s
mix spark.formatter --check	40s
mix git_ops.check_message	46s
mix dialyzer	7m 12s
mix sobelow --config	48s
mix test	1m 2s
mix deps.unlock --check-unused	43s
mix ash_postgres.generate_migrations --check	41s
mix spark.cheat_sheets --check	54s
MIX_ENV=dev mix.compile	42s
mix git-ops.release	54s
mix docs	43s
Deploy docs to GitHub pages.	8s
	18m 58s

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