docs: correct simple copy-paste error (#6924)

Attacktive · web-flow · commit f25bf6e1897c · 2023-09-09T09:21:18.000+08:00
diff --git a/components/list/demo/loadmore.vue b/components/list/demo/loadmore.vue
@@ -12,7 +12,7 @@ title:
 
 ## en-US
 
-Load more list with `loadMore` property.
+Load more list with `loadMore` slot.
 
 </docs>
 
