Fix typo on configuration docs (#2367) #1430

Job	Run time
Coding Standard & Static Analysis	35s
testsuite (8.4, mysql)	59s
testsuite (8.4, pgsql)	38s
Windows - PHP 8.1 & SQL Server	3m 51s
testsuite (8.1, sqlite)	30s
testsuite (8.1, mysql)	44s
testsuite (8.2, mysql)	1m 1s
testsuite (8.4, sqlite)	31s
testsuite (8.1, pgsql)	49s
testsuite (8.1, sqlite, prefer-lowest)	29s
	10m 7s

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