README.md in capistrano-delayed_job-3.1.4 vs README.md in capistrano-delayed_job-3.1.5

@@ -21,9 +21,12 @@
 Add this to your Capfile:
 
 ```ruby
 require 'capistrano/delayed_job'
 ```
+### Roles:
+
+capistrano-delayed_job targets ```:worker``` roles by default.
 
 ### Monit
 
 ```
 cap delayed_job:monit:disable          # Disable and stop monit services for Delayed Job