From 329c7cf4fcbf904122bd0e9a5e8046c38992d1bf Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Fri, 20 Jan 2017 10:04:38 +0100
Subject: [PATCH] Update 04-extending.md

---
 doc/04-extending.md | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/doc/04-extending.md b/doc/04-extending.md
index ebd9104d..284a8333 100644
--- a/doc/04-extending.md
+++ b/doc/04-extending.md
@@ -2,6 +2,13 @@
 
 Monolog is fully extensible, allowing you to adapt your logger to your needs.
 
+## Understanding log records
+
+See [the page about log records](message-structure.md) to learn what makes up
+a log record before going further. This is essential to understand as all
+Handlers/Formatters/Processors need to deal with log records in one way or
+another.
+
 ## Writing your own handler
 
 Monolog provides many built-in handlers. But if the one you need does not