types/json: fix comment error to ignore goword error (#27621)
types/json: fix comment error to ignore goword error (#27621)

 
pingcap/tidb,c4pt0r/tidb,ngaut/tidb,pingcap/tidb,coocood/tidb,pingcap/tidb,kyle-wang/tidb,ngaut/tidb,ngaut/tidb,c4pt0r/tidb,coocood/tidb,ngaut/tidb,c4pt0r/tidb,pingcap/tidb,kyle-wang/tidb,pingcap/tidb,c4pt0r/tidb,kyle-wang/tidb,ngaut/tidb,c4pt0r/tidb,kyle-wang/tidb,c4pt0r/tidb,kyle-wang/tidb,pingcap/tidb,kyle-wang/tidb,ngaut/tidb