diff --git a/MessagingClient.markdown b/MessagingClient.markdown
index be973c2..f96025f 100644
--- a/MessagingClient.markdown
+++ b/MessagingClient.markdown
@@ -7,7 +7,7 @@ MessagingClient has a single channel with the following random identifier:
 
 ### Message types
 
-**0: PRIVATE_MESSAGE** - The content is a [BDF](BDF) list with three elements: `timestamp` (int), `body` (string), and `attachments` (dictionary, may be null). The timestamp is measured in seconds since the Unix epoch. Each key in `attachments` is the name of an attachment, and the value is a list with two elements: `mime_type` (string) and `message_id` (raw).
+**0: PRIVATE_MESSAGE** - The content is a [BDF](BDF) list with two elements: `body` (string) and `attachments` (dictionary, may be null). Each key in `attachments` is the name of an attachment, and the value is a list with two elements: `mime_type` (string) and `message_id` (raw).
 
 **1: ATTACHMENT** - The content is raw data.