Clean up gemspec

Author: cyu

rack-cors.gemspec

@@ -8,7 +8,7 @@ Gem::Specification.new do |spec|
   spec.version       = Rack::Cors::VERSION
   spec.authors       = ["Calvin Yu"]
   spec.email         = ["me@sourcebender.com"]
-  spec.description   = %q{Middleware that will make Rack-based apps CORS compatible.  Read more here: http://blog.sourcebender.com/2010/06/09/introducin-rack-cors.html.  Fork the project here: https://github.com/cyu/rack-cors}
+  spec.description   = %q{Middleware that will make Rack-based apps CORS compatible. Fork the project here: https://github.com/cyu/rack-cors}
   spec.summary       = %q{Middleware for enabling Cross-Origin Resource Sharing in Rack apps}
   spec.homepage      = "https://github.com/cyu/rack-cors"
   spec.license       = "MIT"