diff --git a/Modem/protocol/KISS.h b/Modem/protocol/KISS.h
index 4cfae79..00574f2 100644
--- a/Modem/protocol/KISS.h
+++ b/Modem/protocol/KISS.h
@@ -1,5 +1,10 @@
 #ifndef PROTOCOL_KISS
 #define PROTOCOL_KISS 0x02
 
+#define FEND 0xC0
+#define FESC 0xDB
+#define TFEND 0xDC
+#define TFESC 0xDD
+
 
 #endif
\ No newline at end of file
diff --git a/README.md b/README.md
index db75d63..3f9ad35 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ Please read the "Quickstart.pdf" in the Documentation folder for some pointers o
 
 Right now the APRS specific documentation is lacking, so all the docs included in this repository is directly from MicroModem, but it should still offer good pointers on building the modem, and getting started. The only difference is the firmware.
 
-Currently a simple serial control protocol is implemented, while full KISS TNC functionality will be implemented soon.
+Currently a simple serial control protocol is implemented. If there's interest, I could also implement the KISS protocol.
 
 ## Modem control
 
diff --git a/buildrev.h b/buildrev.h
index 93fe7dc..fd69af4 100644
--- a/buildrev.h
+++ b/buildrev.h
@@ -1,2 +1,2 @@
-#define VERS_BUILD 2170
+#define VERS_BUILD 2172
 #define VERS_HOST  "shard"