Document about deprecation of QUIC connection option RVCM.
PiperOrigin-RevId: 537410610
diff --git a/quiche/quic/core/crypto/crypto_protocol.h b/quiche/quic/core/crypto/crypto_protocol.h
index 13f0009..7a79e62 100644
--- a/quiche/quic/core/crypto/crypto_protocol.h
+++ b/quiche/quic/core/crypto/crypto_protocol.h
@@ -31,7 +31,7 @@
// "QNZR", "B2HI", "H2PR", "FIFO", "LIFO", "RRWS", "QNSP", "B2CL", "CHSP",
// "BPTE", "ACKD", "AKD2", "AKD4", "MAD1", "MAD4", "MAD5", "ACD0", "ACKQ",
// "TLPR", "CCS\0", "PDP4", "NCHP", "NBPE", "2RTO", "3RTO", "4RTO", "6RTO",
-// "PDP1", "PDP2", "PDP3", "PDP5" "QLVE"
+// "PDP1", "PDP2", "PDP3", "PDP5", "QLVE", "RVCM"
// clang-format off
const QuicTag kCHLO = TAG('C', 'H', 'L', 'O'); // Client hello