diff --git a/activejob/lib/active_job/enqueuing.rb b/activejob/lib/active_job/enqueuing.rb
index 430c17e1bf..98d92385dd 100644
--- a/activejob/lib/active_job/enqueuing.rb
+++ b/activejob/lib/active_job/enqueuing.rb
@@ -1,6 +1,7 @@
 require 'active_job/arguments'
 
 module ActiveJob
+  # Provides behavior for enqueuing and retrying jobs.
   module Enqueuing
     extend ActiveSupport::Concern