修改对应的描述

src/swift/Tags/T23H.js

@@ -41,7 +41,7 @@ export default class T23H extends Component
             {code:"REQAMEND",name:"Request to amend an undertaking"},
             {code:"REQFINAN",name:"Financing request"},
             {code:"REQISSUE",name:"Request to issue an undertaking"},
-            {code:"REXTMATU",name:"Request to change the letter of credit maturity date"},
+            {code:"REXTMATU",name:"Request to extend the maturity date"},
             {code:"TRANSFER",name:"Transfer of a undertaking"}
         ]