diff --git a/Experimental Norwegian list.txt b/Experimental Norwegian list.txt
index f5c2150f3..cf0b009b1 100644
--- a/Experimental Norwegian list.txt	
+++ b/Experimental Norwegian list.txt	
@@ -2,7 +2,7 @@
 ! Version: 201710030645
 ! Title: Dandelion Sprouts norske filtre
 ! Last modified: 04 October 06:45 UTC
-! Expires: 8 hours (update frequency)
+! Expires: 9 hours (update frequency)
 ! Homepage: https://github.com/DandelionSprout/adfilt
 ! Licence: Open-source
 ###ad_superboard