diff --git a/Transport-Key-Agreement-Client.md b/Transport-Key-Agreement-Client.md
index 4ef3f87..332f4b1 100644
--- a/Transport-Key-Agreement-Client.md
+++ b/Transport-Key-Agreement-Client.md
@@ -4,6 +4,8 @@ It establishes transport keys with each contact for any transports that were add
 
 The `ACTIVATED` state lets us know that we already completed a session, so we don't create a new session if we receive another key message from the contact. Otherwise a malicious contact could cause us to create an unlimited number of key sets and run out of memory.
 
+TODO document more
+
 ![key-agreement-client](uploads/fe3270bc9970f32b13676809a31eaef2/key-agreement-client.png)
 
-[key-agreement-client.odg](uploads/8212325f0d636a72b6195242453f5619/key-agreement-client.odg)
\ No newline at end of file
+[key-agreement-client.odg](uploads/8212325f0d636a72b6195242453f5619/key-agreement-client.odg)