nebula docs 描述问题

[freeStyle]

https://github.com/vesoft-inc/nebula-docs/blob/master/docs/manual-EN/2.query-language/4.statement-syntax/1.data-definition-statements/index.md 中文档部分

中的after 是否需要修改为before?

[Amber]

nice catch, thanks. Actually, our doc is open source, too. Welcome to commit pr or raise issue at https://github.com/vesoft-inc/nebula-docs