docs: redirect to the correct line of code (gin-gonic#2998)

README.md

@@ -906,7 +906,7 @@ func startPage(c *gin.Context) {
 	var person Person
 	// If `GET`, only `Form` binding engine (`query`) used.
 	// If `POST`, first checks the `content-type` for `JSON` or `XML`, then uses `Form` (`form-data`).
-	// See more at https://github.com/gin-gonic/gin/blob/master/binding/binding.go#L48
+	// See more at https://github.com/gin-gonic/gin/blob/master/binding/binding.go#L88
         if c.ShouldBind(&person) == nil {
                 log.Println(person.Name)
                 log.Println(person.Address)