From e46d27ae1f2dbf73f757e8eb85c8e92dc5518243 Mon Sep 17 00:00:00 2001
From: ibraheemdev <ibrah1440@gmail.com>
Date: Fri, 25 Dec 2020 14:59:13 -0500
Subject: [PATCH] update handler docs

---
 src/handler.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/handler.rs b/src/handler.rs
index fa3e3f40f..9f8284dd9 100644
--- a/src/handler.rs
+++ b/src/handler.rs
@@ -15,6 +15,9 @@ use crate::responder::Responder;
 use crate::service::{ServiceRequest, ServiceResponse};
 
 /// Async handler converter factory
+/// 
+/// If you got the error `the trait Handler<_, _, _> is not implemented`, then your function is not
+/// a valid handler. See [Request Handlers](https://actix.rs/docs/handlers/) for more information.
 pub trait Handler<T, R, O>: Clone + 'static
 where
     R: Future<Output = O>,