Update getting-started.xml
Update getting-started.xml

Fix typo in section "探究已映射的 SQL 语句".
nyer/mybatis-3,raupachz/mybatis-3,fromm0/mybatis-3,zhangwei5095/mybatis3-annotaion,VioletLife/mybatis-3,harawata/mybatis-3,langlan/mybatis-3,nyer/mybatis-3,wuwen5/mybatis-3,hazendaz/mybatis-3,lknny/mybatis-3,harawata/mybatis-3,fromm0/mybatis-3,mybatis/mybatis-3,VioletLife/mybatis-3