diff --git a/protocol.txt b/protocol.txt
index e2c3f14..14a5cc1 100644
--- a/protocol.txt
+++ b/protocol.txt
@@ -1,3 +1,6 @@
+Eufy RoboVac 11s IR protocol
+============================
+
  Preamble: H:3ms   L:3ms
 Logical 0: H:400µs L:600µs
 Logical 1: H:400µs L:1.6ms
@@ -9,11 +12,11 @@ Frame: (Preamble+48bits+Trailer)*3
 
 Format: 68CCHHMMSSKK (Hex, MSB first)
 	
-	CC: command
-        HH: hour
-        MM: minute
-        SS: schedule (in quarters of an hour from midnight, 0xff=off)
-	KK: checksum (sum of all bytes in the frame modulo 256)
+    CC: command
+    HH: hour
+    MM: minute
+    SS: schedule (in quarters of an hour from midnight, 0xff=off)
+    KK: checksum (sum of all bytes in the frame modulo 256)
 
   CC  | Command
 ------+---------