```ruby
# -*- encoding: utf-8 -*-

Gem::Specification.new do |s|
  s.name = "digest-cksum"
  s.summary = "Unix cksum implementation"
  s.author = "Mal Clrambault"
  s.email = "mael@clerambault.fr"
  s.files = %w(lib/digest/cksum.rb)
  s.version = "0.1"
end

```

Add a homepage to the gemspec
user
```ruby
# -*- encoding: utf-8 -*-

Gem::Specification.new do |s|
  s.name = "digest-cksum"
  s.summary = "Unix cksum implementation"
  s.author = "Mal Clrambault"
  s.email = "mael@clerambault.fr"
  s.homepage = "http://github.com/hanklords/digest-cksum"
  s.files = %w(lib/digest/cksum.rb)
  s.version = "0.1"
end

```
assistant