fixed broken link

plugins/advancedoregen.md

@@ -105,7 +105,7 @@ By default, the player is handled as AFK after 20 minutes. Keep in mind that you
 
 AdvancedOreGen caches the player permissions for keeping the same cobblestone generator after an owner of an island leaves the server. You can see an example here:
 
-[filename](_media/offline-owner-showcase.mp4 ':include :type=video')
+[filename](/media/offline-owner-showcase.mp4 ':include :type=video')
 
 # Commands