From e849bd154e3cf1692200dfbdf946a4bbeab6f548 Mon Sep 17 00:00:00 2001
From: Gaurav Agarwal <algogrit@gmail.com>
Date: Wed, 20 Mar 2024 12:48:16 +0530
Subject: [PATCH] Linking to the documentation.

---
 examples/07-processes/echo.exs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples/07-processes/echo.exs b/examples/07-processes/echo.exs
index bdfda57..c8b1a09 100644
--- a/examples/07-processes/echo.exs
+++ b/examples/07-processes/echo.exs
@@ -9,7 +9,7 @@ defmodule Echo do
     receive do
       {:io_request, caller, reply_as, msg} ->
         IO.inspect msg
-        send(caller, {:io_reply, reply_as, msg})
+        send(caller, {:io_reply, reply_as, msg}) # Refer: https://www.erlang.org/doc/apps/stdlib/io_protocol.html
         loop()
       msg ->
         IO.inspect msg