diff --git a/docs/TODO b/docs/TODO
index ee8d00d10c..d67595bd3b 100644
--- a/docs/TODO
+++ b/docs/TODO
@@ -30,6 +30,7 @@
  1.12 have form functions use CURL handle argument
  1.13 Add CURLOPT_MAIL_CLIENT option
  1.14 Typesafe curl_easy_setopt()
+ 1.15 TCP Fast Open
 
  2. libcurl - multi interface
  2.1 More non-blocking
@@ -277,6 +278,12 @@
 
   curl_easy_set_cb() - sets a callback PLUS its callback data
 
+1.15 TCP Fast Open
+
+ RFC 7413 defines how to include data already in the TCP SYN handshake to
+ reduce latency.
+
+
 2. libcurl - multi interface
 
 2.1 More non-blocking