added composite draft link to README

README.md

@@ -66,9 +66,10 @@ TLS operations. This designation [can be changed by modifying the
 
 In order to support parallel use of classic and quantum-safe cryptography 
 this provider also provides different hybrid algorithms, combining classic
-and quantum-safe methods: These are listed above with a prefix denoting a
-classic algorithm, e.g., for elliptic curve: "p256_".
-For composite, these are listed above with a suffix denoting a
+and quantum-safe methods.
+There are two types of combinations:
+The Hybrids are listed above with a prefix denoting a classic algorithm, e.g., for elliptic curve: "p256_".
+The Composite (https://datatracker.ietf.org/doc/draft-ounsworth-pq-composite-sigs/) are listed above with a suffix denoting a
 classic algorithm, e.g., for elliptic curve: "_p256".
 
 A full list of algorithms, their interoperability code points and OIDs as well