[rubygem-rmagick] update comments

[Mamoru TASAKA]

commit e806ded9bc1b17b75d893a8963c9779655059d3a
Author: John <mtasaka at fedoraproject.org>
Date:   Tue Feb 10 18:31:37 2015 +0900

    update comments

 rubygem-rmagick.spec |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/rubygem-rmagick.spec b/rubygem-rmagick.spec
index 5083feb..9f6f6ac 100644
--- a/rubygem-rmagick.spec
+++ b/rubygem-rmagick.spec
@@ -16,7 +16,8 @@ License:	MIT
 URL:		https://github.com/gemhome/rmagick
 Source0:	https://rubygems.org/gems/%{gem_name}-%{version}.gem
 # Compilation fix for -Werror=format-security
-# Reported: https://github.com/gemhome/rmagick/issues/166
+# https://github.com/gemhome/rmagick/issues/166
+# Merged upstream: https://github.com/gemhome/rmagick/commit/e8088582fab6d99fb74f1b2affd3df5997d26dff
 Patch0:	RMagick-2.13.1-format-security.patch
 
 BuildRequires:	rubygems-devel