domain: fix typo (#2237)
domain: fix typo (#2237)


JinheLin/tidb,anywhy/tidb,myrice/tidb,andelf/tidb,EvilMcJerkface/tidb,c4pt0r/tidb,ngaut/tidb,Nify/tidb,qhsong/tidb,qhsong/tidb,ngaut/tidb,coocood/tidb,spongedu/tidb,liyu4/tidb,liyu4/tidb,ming-relax/tidb,silentred/tidb,ueizhou/tidb,silentred/tidb,gaocegege/tidb,gaocegege/tidb,mccxj/tidb,kyle-wang/tidb,XuHuaiyu/tidb,spongedu/tidb,ueizhou/tidb,kyle-wang/tidb,cosmtrek/tidb,Nify/tidb,pingcap/tidb,yuanwhy/tidb,ngaut/tidb,louishust/tidb,JinheLin/tidb,zimulala/tidb,zs634134578/tidb,wusphinx/tidb,andelf/tidb,pingcap/tidb,pingcap/tidb,ngaut/tidb,kyle-wang/tidb,ngaut/tidb,c4pt0r/tidb,myrice/tidb,simon-xia/tidb,pingcap/tidb,c4pt0r/tidb,c4pt0r/tidb,mccxj/tidb,CodeRushing/tidb,wusphinx/tidb,zimulala/tidb,c4pt0r/tidb,kyle-wang/tidb,pingcap/tidb,coocood/tidb,cosmtrek/tidb,CodeRushing/tidb,8cbx/tidb,kyle-wang/tidb,louishust/tidb,qiuyesuifeng/tidb,anywhy/tidb,8cbx/tidb,yuanwhy/tidb,qiuyesuifeng/tidb,astaxie/tidb,yangwenmai/tidb,tiancaiamao/tidb,pingcap/tidb,XuHuaiyu/tidb,ming-relax/tidb,c4pt0r/tidb,Cofyc/tidb,silenceper/tidb,zs634134578/tidb,EvilMcJerkface/tidb,kyle-wang/tidb,Cofyc/tidb,astaxie/tidb,ngaut/tidb,yangwenmai/tidb,simon-xia/tidb,tiancaiamao/tidb,silenceper/tidb