diff --git a/rubygem-scanf.spec b/rubygem-scanf.spec
index 1feb306..6f46c25 100644
--- a/rubygem-scanf.spec
+++ b/rubygem-scanf.spec
@@ -4,7 +4,8 @@ Name: rubygem-%{gem_name}
 Version: 1.0.0
 Release: %autorelease
 Summary: A Ruby implementation of the C function scanf(3)
-License: BSD
+# Automatically converted from old format: BSD - review is highly recommended.
+License: LicenseRef-Callaway-BSD
 URL: https://github.com/ruby/scanf
 Source0: https://rubygems.org/gems/%{gem_name}-%{version}.gem
 # License is not included in the gem, copied from git