diff --git a/develop/sdk/index.md b/develop/sdk/index.md
index a4b31855b5..b3446e6397 100644
--- a/develop/sdk/index.md
+++ b/develop/sdk/index.md
@@ -180,13 +180,14 @@ Docker API directly, or using the Python or Go SDK.
 package main
 
 import (
-    "context"
-    "os"
+	"context"
+	"io"
+	"os"
 
-    "github.com/docker/docker/client"
-    "github.com/docker/docker/api/types"
-    "github.com/docker/docker/api/types/container"
-    "github.com/docker/docker/pkg/stdcopy"
+	"github.com/docker/docker/api/types"
+	"github.com/docker/docker/api/types/container"
+	"github.com/docker/docker/client"
+	"github.com/docker/docker/pkg/stdcopy"
 )
 
 func main() {