diff --git a/docs/src/demos/Guide/Content/ReadOnly/index.vue b/docs/src/demos/Guide/Content/ReadOnly/index.vue
index c4d09f95..885e8764 100644
--- a/docs/src/demos/Guide/Content/ReadOnly/index.vue
+++ b/docs/src/demos/Guide/Content/ReadOnly/index.vue
@@ -41,9 +41,7 @@ export default {
 
   watch: {
     editable() {
-      this.editor.setOptions({
-        editable: this.editable,
-      })
+      this.editor.setEditable(this.editable)
     },
   },