diff --git a/TransportClient.markdown b/TransportClient.markdown
index 0f9f619..288dcc1 100644
--- a/TransportClient.markdown
+++ b/TransportClient.markdown
@@ -2,16 +2,18 @@ TransportClient is a [BSP client](BSP) that synchronises transport properties be
 
 ### Channel identifiers
 
-TransportClient has a single channel with the following random identifer:   
+TransportClient uses the following client identifer:   
 `673e a091 6735 61e2 8f70 122f 6a8e a8f4 97c3 624b 86fa 07f7 85bb 15f0 9fb8 7b4b`
 
+The client uses a single channel for all messages. The [client data structure](BSP#channel-identifiers) for the channel is a [BDF list](BDF) with a single element: "UPDATE" (string).
+
 ### Message types
 
-**0: UPDATE** - The content is a [BDF](BDF) list with three elements: `transport_id` (string), `version` (int), and `properties` (dictionary). `transport_id` and `properties` are supplied by the transport plugin. `version` is incremented whenever the properties change.
+**0: UPDATE** - The content is a list with three elements: `transport_id` (string), `version` (int), and `properties` (dictionary). `transport_id` and `properties` are supplied by the transport plugin. `version` is incremented whenever the properties change.
 
 ### Validity policy
 
-* An UPDATE is valid if it is well-formed.
+* An update is valid if it is well-formed.
 
 ### Storage policy