README.md: Expand protocol acronyms

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Tim Hudson <tjh@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/28937)

diff --git a/README.md b/README.md
index 4c792a218f509cf3474c24fd6619502413d181f2..ec21a38d3ddb58cfca04381ec0d56a6a861130b0 100644 (file)
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ Welcome to the OpenSSL Project
 [![LFX Health Score](https://insights.linuxfoundation.org/api/badge/health-score?project=openssl)](https://insights.linuxfoundation.org/project/openssl)
 
 OpenSSL is a robust, commercial-grade, full-featured Open Source Toolkit
-for the TLS (formerly SSL), DTLS and QUIC protocols.
+for the Transport Layer Security (TLS, formerly SSL), Datagram TLS (DTLS), and QUIC protocols.
 
 The protocol implementations are based on a full-strength general purpose
 cryptographic library, which can also be used stand-alone. Also included is a