diff --git a/README.md b/README.md
index 873e50c..6530789 100644
--- a/README.md
+++ b/README.md
@@ -50,9 +50,16 @@ cryptography libraries, it would pick the wrong ones, despite setting
 CFLAGS and LDFLAGS.  It is likely I could make this work, but do not
 know how to.
 
-TODO
-----
+Known Issues
+------------
+
+- Server does not verify client public key.
+
+TODO/Future Features
+--------------------
 
 - DoS protection.  Limiting number of connections.  Limit resource
   consumption by opening connection and starting negotiation but not
   completing it, etc.
+- Support more than one client key.
+- Select forwarding destination based upon client key.