[DOC] report minimum kernel version for tproxy in the Makefile
diff --git a/Makefile b/Makefile
index 1071c85..58bec2c 100644
--- a/Makefile
+++ b/Makefile
@@ -18,7 +18,7 @@
# USE_SEPOLL : enable speculative epoll(). Automatic.
# USE_STATIC_PCRE : enable static libpcre. Recommended.
# USE_TPROXY : enable transparent proxy. Automatic.
-# USE_LINUX_TPROXY : enable full transparent proxy (need kernel patch).
+# USE_LINUX_TPROXY : enable full transparent proxy (needs kernel 2.6.28).
# USE_LINUX_SPLICE : enable kernel 2.6 splicing (broken on old kernels)
# USE_LIBCRYPT : enable crypted passwords using -lcrypt
# USE_CRYPT_H : set it if your system requires including crypt.h