Normalize formatting, grammar, etc… #1744

Job	Run time
ruby-versions / Generate Ruby versions	3s
test (2.7)	1m 49s
test (3.0)	1m 36s
test (3.1)	1m 56s
test (3.2)	1m 35s
test (3.3)	1m 40s
test (3.4)	1m 40s
test (debug)	5m 17s
test (head)	1m 38s
	17m 14s

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