diff --git a/README b/README
index 89bc318e..97edbe87 100644
--- a/README
+++ b/README
@@ -32,10 +32,10 @@ The executable is aria2c in src directory.
 4. Dependency
 -------------
 In order to enable HTTPS support, you need GNUTLS or OpenSSL.
-In order to enable BitTorrent support, you need GCRYPT(if you choose GNUTLS)
-or OpenSSL.
+In order to enable BitTorrent support, you need GNUTLS+GCRYPT or OpenSSL.
 
 GNUTLS has precedence over OpenSSL if both libraries are installed.
+If you prefer OpenSSL, run configure with "--without-gnutls".
 
 5. BitTorrrent
 --------------