fix typo and clarify sentence #671

Job	Run time
PHPUnit Composer v2 (PHP 7.4)	29s
PHPUnit (PHP 7.2)	31s
PHPUnit coverage (PHP 7.4)	1m 10s
PHPUnit (PHP 7.3)	36s
Tests alternative autoloader (PHP 7.1)	7s
PHPUnit (PHP 7.4)	2m 9s
PHPUnit (PHP 7.1)	33s
Tests alternative autoloader (PHP 7.2)	11s
PHPUnit (PHP 8.0)	44s
PHPUnit lowest deps (PHP 7.3)	36s
Tests alternative autoloader (PHP 7.3)	16s
PHPUnit (PHP 8.1)	43s
Tests alternative autoloader (PHP 7.4)	10s
PHPUnit (PHP 8.2)	2m 11s
Tests alternative autoloader (PHP 8.0)	14s
Windows-Tests with PHP 7.1	1m 19s
PHPUnit (PHP 8.3)	48s
Tests alternative autoloader (PHP 8.1)	17s
Windows-Tests with PHP 7.2	1m 0s
Tests alternative autoloader (PHP 8.2)	9s
Windows-Tests with PHP 7.3	58s
Tests alternative autoloader (PHP 8.3)	5s
Windows-Tests with PHP 7.4	52s
Windows-Tests with PHP 8.0	58s
Windows-Tests with PHP 8.1	1m 1s
Windows-Tests with PHP 8.2	54s
Windows-Tests with PHP 8.3	51s
	19m 52s

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