diff --git a/usb_modeswitch.spec b/usb_modeswitch.spec
index 2899741..12cdd86 100644
--- a/usb_modeswitch.spec
+++ b/usb_modeswitch.spec
@@ -12,6 +12,7 @@ URL:		http://www.draisberghof.de/usb_modeswitch/
 Source0:	http://www.draisberghof.de/%{name}/%{source_name}-%{version}.tar.bz2
 Source1:	http://www.draisberghof.de/usb_modeswitch/device_reference.txt
 
+# http://www.draisberghof.de/usb_modeswitch/bb/viewtopic.php?f=2&t=2546
 Patch0: rhbz948451-fix-manual-pages.patch
 # Submitted upstream (2014-11-24)
 Patch1: device_reference-utf8.patch