Update gemspec.

Author: metaskills

activerecord-sqlserver-adapter.gemspec

@@ -6,11 +6,12 @@ Gem::Specification.new do |spec|
   spec.name          = 'activerecord-sqlserver-adapter'
   spec.version       = ActiveRecord::ConnectionAdapters::SQLServer::Version::VERSION
   spec.platform      = Gem::Platform::RUBY
+  spec.license       = 'MIT'
   spec.authors       = ['Ken Collins', 'Anna Carey', 'Will Bond', 'Murray Steele', 'Shawn Balestracci', 'Joe Rafaniello', 'Tom Ward']
   spec.email         = ['ken@metaskills.net', 'will@wbond.net']
   spec.homepage      = 'http://github.com/rails-sqlserver/activerecord-sqlserver-adapter'
   spec.summary       = 'ActiveRecord SQL Server Adapter.'
-  spec.description   = spec.summary
+  spec.description   = 'ActiveRecord SQL Server Adapter. SQL Server 2012 and upward.'
   spec.files         = `git ls-files -z`.split("\x0")
   spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})