diff --git a/docs/TODO b/docs/TODO
index 42d37c1bc..e42755633 100644
--- a/docs/TODO
+++ b/docs/TODO
@@ -20,6 +20,7 @@
  1.1 TFO support on Windows
  1.2 Consult %APPDATA% also for .netrc
  1.3 struct lifreq
+ 1.4 alt-svc sharing
  1.5 get rid of PATH_MAX
  1.7 Support HTTP/2 for HTTP(S) proxies
  1.8 CURLOPT_RESOLVE for any port number
@@ -195,6 +196,13 @@
  SIOCGIFADDR on newer Solaris versions as they claim the latter is obsolete.
  To support IPv6 interface addresses for network interfaces properly.
 
+1.4 alt-svc sharing
+
+ The share interface could benefit from allowing the alt-svc cache to be
+ possible to share between easy handles.
+
+ See https://github.com/curl/curl/issues/4476
+
 1.5 get rid of PATH_MAX
 
  Having code use and rely on PATH_MAX is not nice: