diff --git a/README.md b/README.md
index a922020d..093c4fbb 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ shadowsocks is a fast tunnel proxy that helps you <del>bypass firewalls</del>.
 ## Dependencies
 
 * libcrypto (OpenSSL)
-* <del>libsodium</del>
+* libsodium (Required if you need AEAD ciphers)
 
 ## Usage