diff --git a/error.go b/error.go
index 414ba037..13c17925 100644
--- a/error.go
+++ b/error.go
@@ -4,7 +4,7 @@ import "errors"
 
 var (
 	ErrNoMapPointer    = errors.New("mp should be a map's pointer")
-	ErrNoStructPointer = errors.New("mp should be a map's pointer")
+	ErrNoStructPointer = errors.New("mp should be a struct's pointer")
 	//ErrNotExist        = errors.New("Not exist")
 	//ErrIgnore = errors.New("Ignore")
 )