Clarify Security Status

Author: Kaliumhexacyanoferrat

README.md

@@ -14,7 +14,7 @@ the functionality rather than on messing around with configuration files or comp
 - Projects are fully described in code - no configuration files needed, no magical behavior you need to learn
 - Optionally supports [Kestrel](https://genhttp.org/documentation/server/engines/) as an underlying HTTP engine (enables HTTP/2 and HTTP/3 via QUIC)
 - [Optimized](https://genhttp.org/features/) out of the box, small memory and storage [footprint](https://genhttp.org/features/#footprint)
-- Grade A+ security level according to SSL Labs
+- Grade A+ security level according to SSL Labs, hardened against typical attack vectors
 
 ## 📖 Getting Started