fixup readme doc example

README.md

@@ -61,16 +61,16 @@ import (
 	"fmt"
 
 	"github.com/aws/aws-sdk-go-v2/aws"
-	"github.com/aws/aws-sdk-go-v2/aws/endpoints"
 	"github.com/aws/aws-sdk-go-v2/aws/external"
+	"github.com/aws/aws-sdk-go-v2/config"
 	"github.com/aws/aws-sdk-go-v2/service/dynamodb"
 )
 
 func main() {
 	// Using the SDK's default configuration, loading additional config
 	// and credentials values from the environment variables, shared
 	// credentials, and shared configuration files
-	cfg, err := external.LoadDefaultConfig()
+	cfg, err := config.LoadDefaultConfig()
 	if err != nil {
 		panic("unable to load SDK config, " + err.Error())
 	}
@@ -161,4 +161,4 @@ features and AWS services.
 [Amazon DynamoDB]: https://aws.amazon.com/dynamodb/
 [Gitter channel]: https://gitter.im/aws/aws-sdk-go-v2
 [design]: https://github.com/aws/aws-sdk-go-v2/blob/master/DESIGN.md  
-[license]: http://aws.amazon.com/apache2.0/
+[license]: http://aws.amazon.com/apache2.0/