diff --git a/lib/squib/progress.rb b/lib/squib/progress.rb
index c5106c4..eb7bfa4 100644
--- a/lib/squib/progress.rb
+++ b/lib/squib/progress.rb
@@ -2,6 +2,8 @@ require 'ruby-progressbar'
 
 module Squib
 
+  # :nodoc:
+  # @api private
   class DoNothing
     def increment
       #do nothing!