Merge pull request #238 from makenowjust/typos #391

Job	Run time
ruby-versions / Generate Ruby versions	4s
test (2.5, ubuntu-latest)	39s
test (2.5, macos-latest)	1m 13s
test (2.5, windows-latest)	2m 46s
test (2.6, ubuntu-latest)	35s
test (2.6, macos-latest)	1m 20s
test (2.6, windows-latest)	3m 25s
test (2.7, ubuntu-latest)	42s
test (2.7, macos-latest)	1m 1s
test (2.7, windows-latest)	2m 16s
test (3.0, ubuntu-latest)	26s
test (3.0, macos-latest)	33s
test (3.0, windows-latest)	1m 36s
test (3.1, ubuntu-latest)	21s
test (3.1, macos-latest)	43s
test (3.1, windows-latest)	1m 45s
test (3.2, ubuntu-latest)	40s
test (3.2, macos-latest)	57s
test (3.2, windows-latest)	3m 14s
test (head, ubuntu-latest)	32s
test (head, macos-latest)	49s
test (head, windows-latest)	2m 5s
test (jruby, ubuntu-latest)	5m 28s
test (jruby-head, ubuntu-latest)	6m 24s
test (truffleruby, ubuntu-latest)	2m 49s
test (truffleruby-head, ubuntu-latest)	3m 28s
	45m 51s

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