diff --git a/firefox-regional/fanboy-adblocklist-jpn.txt b/firefox-regional/fanboy-adblocklist-jpn.txt
index c61634bd7..072d59423 100644
--- a/firefox-regional/fanboy-adblocklist-jpn.txt
+++ b/firefox-regional/fanboy-adblocklist-jpn.txt
@@ -1,5 +1,5 @@
 [Adblock Plus 1.1]
-! Checksum: jFDs6T6oyyIvbl7upa9ALg
+! Checksum: aAYGM+GvBDrN9+0/iIkcXA
 ! Fanboy's Japanese-addon Adblock list 
 ! Updated: 19 Jul 2010
 ! This list expires after 10 days
@@ -334,6 +334,7 @@ livedoor.com##.large-showcase
 livedoor.com##.LDservice-link
 livedoor.com##.prtextBox
 livedoor.com##.ads-by-google-0
+mainichi.jp##[style="border: 1px solid rgb(204, 204, 204); padding: 10px; margin-bottom: 10px;"]
 mainichi.jp###SuperBanner
 mainichi.jp##.AdAA
 mainichi.jp##.AdGraph