diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb
index 4cfda302eaa51e56f288b15bb40223e7fc726c94..b7b508d85367beea5d1d729c3643b914ec9b83a3 100644
--- a/activerecord/lib/active_record/migration.rb
+++ b/activerecord/lib/active_record/migration.rb
@@ -716,7 +716,9 @@ def next_migration_number(number)
       end
     end
 
-    def table_name_options(config = ActiveRecord::Base)
+    # Builds a hash for use in ActiveRecord::Migration#proper_table_name using
+    # the Active Record object's table_name prefix and suffix
+    def table_name_options(config = ActiveRecord::Base) #:nodoc:
       {
         table_name_prefix: config.table_name_prefix,
         table_name_suffix: config.table_name_suffix