Merge pull request #471 from ydah/fix-typos #1395

Job	Run time
check-misc (head)	12s
steep-check (head)	13s
test-ruby (head, master)	5m 58s
test-memory (head)	33s
test-ruby (3.0, master)	6m 18s
test-windows (head)	2m 10s
ruby-versions / Generate Ruby versions	2s
test-cpp (head, g++)	16s
test (2.5)	28s
test-cpp (head, clang++)	14s
test (2.6)	36s
test (2.7)	31s
test (3.0)	12s
test (3.1)	14s
test (3.2)	20s
test (3.3)	13s
test (head)	12s
	18m 42s

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