README: fix typo

README.md

@@ -123,8 +123,8 @@ This project is independent from another project called OpenDHT (Sean Rhea. Ph.D
 
 Dependencies
 -
-- msgpack-c 1.0+, used for data serialisation.
-- GnuTLS 3.1+, used to compute hashes and for the identity layer.
+- msgpack-c 1.0+, used for data serialization.
+- GnuTLS 3.1+, used for cryptographic operations.
 - Nettle 2.4+, a GnuTLS dependency for crypto.
 - Build tested with GCC 4.8+ (Linux, Android, Windows with MinGW), Clang/LLVM (Linux, OS X).