Update 16/umbraco-cms/reference/cache/imemberpartialviewcacheinvalidator.md

Author: eshanrnh

16/umbraco-cms/reference/cache/imemberpartialviewcacheinvalidator.md

@@ -10,7 +10,7 @@ This interface is used to isolate the logic that needs to run to invalidate part
 
 Razor templates may show data that is retrieved from a member object. Those templates might be cached by using the partial caching mechanism (for example, `@await Html.CachedPartialAsync("member",Model,TimeSpan.FromDays(1), cacheByMember:true)`). When a member is updated, these cached partials must be invalidated to ensure updated data is shown.
 
-## Where is it used
+## Where is it used?
 
 This interface is called from the MemberCacheRefresher which is called every time a member is updated.