Update README

README.md

@@ -12,7 +12,7 @@
 use leptos::*;
 
 #[component]
-pub fn SimpleCounter(cx: Scope, initial_value: i32) -> Element {
+pub fn SimpleCounter(cx: Scope, initial_value: i32) -> impl IntoView {
     // create a reactive signal with the initial value
     let (value, set_value) = create_signal(cx, initial_value);