diff --git a/src/main/resources/Documentation/message.md b/src/main/resources/Documentation/message.md
index 3fb08d3..a141852 100644
--- a/src/main/resources/Documentation/message.md
+++ b/src/main/resources/Documentation/message.md
@@ -1,4 +1,4 @@
-Message structure
+Message Format
 ======================
 
 This plugin publish message like the below format to RabbitMQ.
@@ -8,32 +8,36 @@
 **Bold** is literal.
 
 Properties
-=======================
+-----------------------
 
-| name             | value                      |
-|:-----------------|:---------------------------|
-| app_id           | **gerrit**                 |
-| priority         | *message.priority*         |
-| delivery_mode    | *message.deliveryMode*     |
-| headers          | &lt;See Header section&gt; |
-| content_encoding | **UTF-8**                  |
-| content_type     | **application/json**       |
+Properties are stored as message property.
+
+| name             | value
+|:-----------------|:--------------------------
+| app_id           | **gerrit**
+| priority         | *message.priority*
+| delivery_mode    | *message.deliveryMode*
+| headers          | &lt;See Headers section&gt;
+| content_encoding | **UTF-8**
+| content_type     | **application/json**
 
 
 Headers
-=======================
+-----------------------
 
-| name             | value                                       |
-|:-----------------|:--------------------------------------------|
-| gerrit-name      | *gerrit.name*                               |
-| gerrit-host      | *gerrit.hostname*                           |
-| gerrit-scheme    | *gerrit.scheme*                             |
-| gerrit-port      | *gerrit.port*                               |
-| gerrit-front-url | *gerrit.canonicalWebUrl* in `gerrit.config` |
-| gerrit-version   | gerrit version                              |
+Headers are stored in property.headers.
+
+| name             | value
+|:-----------------|:------------------------------------------
+| gerrit-name      | *gerrit.name*
+| gerrit-host      | *gerrit.hostname*
+| gerrit-scheme    | *gerrit.scheme*
+| gerrit-port      | *gerrit.port*
+| gerrit-front-url | *gerrit.canonicalWebUrl* in `gerrit.config`
+| gerrit-version   | gerrit version
 
 
 Payload
-=======================
+-----------------------
 
 Payload is JSON string. (same gerrit-events)