diff --git a/ForumClient.markdown b/ForumClient.markdown
index 65aa482..830294f 100644
--- a/ForumClient.markdown
+++ b/ForumClient.markdown
@@ -11,13 +11,13 @@ The channel descriptor for a forum channel is a list with two elements: `title`
 
 ### Message types
 
-**0: INVITATION** - The content is a BDF list with three elements: `title` (string), `salt` (raw), and `note` (string or null). The channel identifier can be calculated from `title` and `salt`, as described above. `note` is an optional note from the inviter to the invitee.
+**0: INVITATION** - The content is a list with three elements: `title` (string), `salt` (raw), and `note` (string or null). The channel identifier can be calculated from `title` and `salt`, as described above. `note` is an optional note from the inviter to the invitee.
 
-**1: RESPONSE** - The content is a BDF list with three elements: `invitation_id` (raw), `decision` (boolean), and `note` (string or null). `invitation_id` is the identifier of an invitation created by the opposite peer. `decision` indicates whether the invitee wishes to subscribe. `note` is an optional note from the invitee to the inviter.
+**1: RESPONSE** - The content is a list with three elements: `invitation_id` (raw), `decision` (boolean), and `note` (string or null). `invitation_id` is the identifier of an invitation created by the opposite peer. `decision` indicates whether the invitee wishes to subscribe. `note` is an optional note from the invitee to the inviter.
 
-**2: DEPARTURE** - The content is a BDF list with one element: `invitation_id` (raw), which is the identifier of an invitation created by either peer.
+**2: DEPARTURE** - The content is a list with one element: `invitation_id` (raw), which is the identifier of an invitation created by either peer.
 
-**3: POST** - The content is a BDF list with three elements: `author` (list or null), `content` (list), and `signature` (raw or null).
+**3: POST** - The content is a list with three elements: `author` (list or null), `content` (list), and `signature` (raw or null).
 
 If `author` is null, the post is anonymous and `signature` must also be null. Otherwise `author` is a list with two elements: `name` (string) and `public_key` (raw).