diff --git a/boring-nginx/README.md b/boring-nginx/README.md
index 1d61538..ba22cd0 100644
--- a/boring-nginx/README.md
+++ b/boring-nginx/README.md
@@ -8,6 +8,7 @@ This is nginx statically linked against BoringSSL, with embedded Brotli support.
 #### Features
 - Based on Alpine Linux.
 - nginx built against **BoringSSL** with SSE/SHA, and AVX2 SIMD-instructions.
+- **TLS 1.3** patch : use of TLS 1.3 DRAFT is enforced (haven't found another way yet).
 - Built using hardening gcc flags.
 - Dynamic TLS records patch (cloudflare).
 - TTP/2 (+NPN) support.