diff --git a/Configuration-via-Config-File.md b/Configuration-via-Config-File.md
index 6784cc9..f8208e5 100644
--- a/Configuration-via-Config-File.md
+++ b/Configuration-via-Config-File.md
@@ -35,4 +35,8 @@ To run in the foreground:
 To run in the background:
 
     ssserver -c /etc/shadowsocks.json -d start
-    ssserver -c /etc/shadowsocks.json -d stop
\ No newline at end of file
+    ssserver -c /etc/shadowsocks.json -d stop
+
+
+[Encryption]:        https://github.com/shadowsocks/shadowsocks/wiki/Encryption
+[TCP_FASTOPEN]:      https://github.com/shadowsocks/shadowsocks/wiki/TCP-Fast-Open
\ No newline at end of file