update content

files/en-us/web/api/fencedframeconfig/setsharedstoragecontext/index.md

@@ -22,7 +22,7 @@ setSharedStorageContext(context)
 ### Parameters
 
 - `context`
-  - : A string representing the contextual data to pass in to shared storage. Once set, this will be stored in the internal config `storageContext` property.
+  - : A string representing the contextual data to pass into shared storage. Once set, this will be stored in the {{domxref("FencedFrameConfig")}} instance's internal config.
 
 ### Return value