Fix some typos

Author: lsegal

lib/aws/session_store/dynamo_db/configuration.rb

@@ -268,7 +268,7 @@ def config_file_path(options)
 
     # @return [String] Rails configuraton path to YAML file default.
     def rails_config_file_path
-      File.join(Rails.root, "config", "dynamo_db_session.yml")
+      File.join(Rails.root, "config", "sessionstore/dynamodb.yml")
     end
 
     # Set accessible attributes after merged options.

lib/aws/session_store/dynamo_db/railtie.rb

@@ -15,7 +15,7 @@
 module AWS::SessionStore::DynamoDB
   class Railtie < Rails::Railtie
     initializer 'aws-sessionstore-dynamodb-rack-middleware' do
-      ActionDispatch::Session::DynamoDbStore = AWS::SessionStore::DynamoDB::RackMiddleware
+      ActionDispatch::Session::DynamodbStore = AWS::SessionStore::DynamoDB::RackMiddleware
     end
 
     # Load all rake tasks