diff --git a/lib/aws-sdk-core.rb b/lib/aws-sdk-core.rb
index <HASH>..<HASH> 100644
--- a/lib/aws-sdk-core.rb
+++ b/lib/aws-sdk-core.rb
@@ -13,6 +13,7 @@
 
 require 'seahorse'
 
+# @api private
 module Seahorse::Model::Shapes
   class FlatMapShape < MapShape; end
   class FlatListShape < ListShape; end
Added @api private tag to some seahorse shapes.