diff --git a/communication.md b/communication.md
index 69cbefe..d833fbc 100644
--- a/communication.md
+++ b/communication.md
@@ -1,5 +1,12 @@
 # Heliox communication protocol
 
+> **Note:** 
+>
+> look into state-of-the-art protocols -> https://www.reddit.com/r/embedded/comments/11bxeux/whats_everyone_is_using_for_framing_and/
+>- CBOR
+>- MessagePack
+>- Protobufs
+
 The following structure can be used to communicate with the Heliox control over several carrier protocols (UART, BL LE,...)
 
 ## Basic data structure