```ruby
desc 'Jekyll integration'
namespace :jekyll do
  desc 'Build the website using Jekyll'
  task :build do
    on roles(:web) do
      within release_path do
        execute :jekyll, 'build'
      end
    end
  end

  desc 'Print Jekyll deprecation warnings'
  task :doctor do
    on roles(:web) do
      within release_path do
        execute :jekyll, 'doctor'
      end
    end
  end

  after 'deploy:updated', :build
end
```

Make task invocation in after hook namespace aware
user
```ruby
desc 'Jekyll integration'
namespace :jekyll do
  desc 'Build the website using Jekyll'
  task :build do
    on roles(:web) do
      within release_path do
        execute :jekyll, 'build'
      end
    end
  end

  desc 'Print Jekyll deprecation warnings'
  task :doctor do
    on roles(:web) do
      within release_path do
        execute :jekyll, 'doctor'
      end
    end
  end

  after 'deploy:updated', 'jekyll:build'
end
```
assistant