diff --git a/README.md b/README.md
index 2e953f5aae..566e5cc709 100644
--- a/README.md
+++ b/README.md
@@ -930,7 +930,7 @@ func main() {
 	route.GET("/:name/:id", func(c *gin.Context) {
 		var person Person
 		if err := c.ShouldBindUri(&person); err != nil {
-			c.JSON(400, gin.H{"msg": err})
+			c.JSON(400, gin.H{"msg": err.Error()})
 			return
 		}
 		c.JSON(200, gin.H{"name": person.Name, "uuid": person.ID})