Fix typos in sql client templates doc #112

Job	Run time
CI-CD / CI (ubuntu-latest, 11, MySQL-8.0) / Run tests	2m 0s
CI-CD / CI (ubuntu-latest, 11, MySQL-5.7) / Run tests	2m 16s
CI-CD / CI (ubuntu-latest, 11, PostgreSQL-9) / Run tests	4m 10s
CI-CD / CI (ubuntu-latest, 11, PostgreSQL-11) / Run tests	4m 3s
CI-CD / CI (ubuntu-latest, 11, PostgreSQL-10) / Run tests	4m 6s
CI-CD / CI (ubuntu-latest, 11, DB2-11.5) / Run tests	14m 47s
CI-CD / CI (ubuntu-latest, 11, MySQL-5.6) / Run tests	2m 10s
CI-CD / CI (ubuntu-latest, 11, MSSQL-2017-latest) / Run tests	1m 35s
CI-CD / CI (ubuntu-latest, 11, MariaDB-10.4) / Run tests	1m 58s
CI-CD / CI (ubuntu-latest, 11, SQL-templates) / Run tests	6m 9s
CI-CD / CI (ubuntu-latest, 11, MSSQL-2019-latest) / Run tests	1m 38s
CI-CD / CI (ubuntu-latest, 21, MSSQL-2019-latest) / Run tests	1m 34s
CI-CD / CI (ubuntu-latest, 21, PostgreSQL-11) / Run tests	4m 7s
CI-CD / CI (ubuntu-latest, 21, MariaDB-10.4) / Run tests	2m 16s
CI-CD / CI (ubuntu-latest, 21, Oracle-23) / Run tests	2m 5s
CI-CD / CI (ubuntu-latest, 21, MySQL-5.7) / Run tests	2m 0s
CI-CD / Deploy to OSSRH / Deploy to OSSRH	1m 39s
CI-CD / Deploy to OSSRH / Deploy (Oracle) to OSSRH	38s
	59m 11s

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