annoy-rb.gemspec in annoy-rb-0.1.0 vs annoy-rb.gemspec in annoy-rb-0.2.0

@@ -12,9 +12,10 @@
   spec.license       = 'Apache-2.0'
 
   spec.metadata['homepage_uri'] = spec.homepage
   spec.metadata['source_code_uri'] = spec.homepage
   spec.metadata['changelog_uri'] = 'https://github.com/yoshoku/annoy.rb/blob/master/CHANGELOG.md'
+  spec.metadata['documentation_uri'] = 'https://yoshoku.github.io/annoy.rb/doc/'
 
   # Specify which files should be added to the gem when it is released.
   # The `git ls-files -z` loads the files in the RubyGem that have been added into git.
   spec.files = Dir.chdir(File.expand_path(__dir__)) do
     `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }