Update README.md

README.md

@@ -8,7 +8,7 @@ PVC figure images and information from [www.myethos.cn](http://www.myethos.cn).
 
 ```ts
 interface Myethos {
-  [string]: {
+  [id: string]: {
     image_urls: string[]
     descriptions: Record<string, string>
   }