diff --git a/Makefile b/Makefile
index 329c64ba2..67896d4ae 100644
--- a/Makefile
+++ b/Makefile
@@ -33,6 +33,7 @@
 #   USE_GETADDRINFO      : use getaddrinfo() to resolve IPv6 host names.
 #   USE_OPENSSL          : enable use of OpenSSL. Recommended, but see below.
 #   USE_OPENSSL_WOLFSSL  : enable use of wolfSSL with the OpenSSL API
+#   USE_QUIC             : enable use of QUIC with the quictls API (quictls, libressl, boringssl)
 #   USE_ENGINE           : enable use of OpenSSL Engine.
 #   USE_LUA              : enable Lua support.
 #   USE_ACCEPT4          : enable use of accept4() on linux. Automatic.