diff --git a/docs/TODO b/docs/TODO
index 76b05b4..cf77126 100644
--- a/docs/TODO
+++ b/docs/TODO
@@ -2,7 +2,7 @@
 
 - Implement UI option for VNC shared mode.
 
-- implement ZRLE encoding
+- implement tight and ZRLE encoding
 
 - Get web-socket-js RFC2817 proxying working again.
 
diff --git a/docs/links b/docs/links
index 6370645..c6bee53 100644
--- a/docs/links
+++ b/docs/links
@@ -1,3 +1,6 @@
+RFB protocol and extensions:
+    http://tigervnc.org/cgi-bin/rfbproto
+
 Canvas Browser Compatibility:
     http://philip.html5.org/tests/canvas/suite/tests/results.html