diff --git a/docs/BetaTestPlan.md b/docs/BetaTestPlan.md
index 01ac85a..16a1e1b 100644
--- a/docs/BetaTestPlan.md
+++ b/docs/BetaTestPlan.md
@@ -1,11 +1,16 @@
 # Beta Test Plan
 
-## Core Functionalities
-### Icing lib
-- Key generation
-- (De)crypt audio
+## Core Features
 
-### Icing dialer (based on Icing lib)
+### Icing protocol
+- Key generation
+- Handshake
+- ECDH
+- Compression
+- Audio error correction
+- Vocal filter
+
+### Icing dialer (based on Icing lib, based itself on Icing protocol)
 - Call
     - Encrypted if public key available
     - Call history