diff --git a/docs/config-file.txt b/docs/config-file.txt
index ec63f7b4..a0ade42e 100644
--- a/docs/config-file.txt
+++ b/docs/config-file.txt
@@ -4,7 +4,11 @@ This article describes the basic concepts of Fluentd's configuration file.
 
 If you want to know V1 configuration format, please jump to [V1 Format](config-file#v1-format) section.
 
-## Overview
+## Introduction: the life of a Fluentd event
+
+Here is a brief overview of the life of a Fluentd event to help you understand the rest of this page:
+
+<iframe src="http://www.slideshare.net/slideshow/embed_code/34610229" width="427" height="356" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" style="border:1px solid #CCC; border-width:1px 1px 0; margin-bottom:5px; max-width: 100%;" allowfullscreen> </iframe>
 
 The configuration file allows the user to control the input and output behavior of Fluentd by (1) selecting input and output plugins and (2) specifying the plugin parameters. The file is required for Fluentd to operate properly.