diff --git a/README.md b/README.md
index ff19603..95a3f1c 100644
--- a/README.md
+++ b/README.md
@@ -223,7 +223,7 @@ func main() {
 package main
 
 import (
-	"fmt"
+  "fmt"
 
   "github.com/go-vgo/robotgo"
   hook "github.com/robotn/gohook"
diff --git a/README_zh.md b/README_zh.md
index 6a37b66..b1db37c 100644
--- a/README_zh.md
+++ b/README_zh.md
@@ -220,7 +220,7 @@ func main() {
 package main
 
 import (
-	"fmt"
+  "fmt"
 
   "github.com/go-vgo/robotgo"
   hook "github.com/robotn/gohook"
diff --git a/examples/gohook/main.go b/examples/gohook/main.go
index 38479aa..ab6c5a5 100644
--- a/examples/gohook/main.go
+++ b/examples/gohook/main.go
@@ -37,7 +37,7 @@ func addMouse() {
 	fmt.Println("--- Please press left mouse button to see it's position and the right mouse button to exit ---")
 	robotgo.EventHook(hook.MouseDown, []string{}, func(e hook.Event) {
 		if e.Button == hook.MouseMap["left"] {
-			fmt.Printf("mleft @ %v - %v\n", e.X, e.Y)
+			fmt.Printf("mouse left @ %v - %v\n", e.X, e.Y)
 		} else if e.Button == hook.MouseMap["right"] {
 			robotgo.EventEnd()
 		}