docs: comment typos (#1287) #3

Job	Run time
build (1.20.x, GOARCH=amd64 GOOS=linux, gno)	43s
build (1.20.x, GOARCH=wasm GOOS=js, gno)	43s
test (1.20.x, _test.cmd)	1m 54s
build (1.21.x, GOARCH=amd64 GOOS=linux, gno)	40s
build (1.21.x, GOARCH=wasm GOOS=js, gno)	37s
test (1.20.x, _test.pkg)	1m 8s
test (1.20.x, _test.gnolang.native)	52s
test (1.20.x, _test.gnolang.stdlibs)	1m 43s
test (1.20.x, _test.gnolang.realm)	54s
test (1.20.x, _test.gnolang.pkg0)	2m 52s
test (1.20.x, _test.gnolang.pkg1)	7m 58s
test (1.20.x, _test.gnolang.pkg2)	6m 47s
test (1.20.x, _test.gnolang.other)	1m 23s
test (1.21.x, _test.cmd)	1m 17s
test (1.21.x, _test.pkg)	1m 14s
test (1.21.x, _test.gnolang.native)	55s
test (1.21.x, _test.gnolang.stdlibs)	1m 30s
test (1.21.x, _test.gnolang.realm)	55s
test (1.21.x, _test.gnolang.pkg0)	3m 3s
test (1.21.x, _test.gnolang.pkg1)	10m 13s
test (1.21.x, _test.gnolang.pkg2)	6m 50s
test (1.21.x, _test.gnolang.other)	46s
upload-coverage	6s
	55m 3s

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