diff --git a/TODO b/TODO
index b9942886..b1b76bc7 100644
--- a/TODO
+++ b/TODO
@@ -1,6 +1,5 @@
  - /UPGRADE:
     - support DCCs
-    - write /HELP
     - topic time/nick isn't transferred
     - rewrite to work by fork()ing a new process and transfer file handles
       with unix sockets. this would allow the scrollback buffers to be
diff --git a/docs/help/in/upgrade.in b/docs/help/in/upgrade.in
new file mode 100644
index 00000000..37feaf64
--- /dev/null
+++ b/docs/help/in/upgrade.in
@@ -0,0 +1,7 @@
+
+@SYNTAX:upgrade@
+
+Upgrade irssi to new version on-the-fly without disconnecting from
+server, so other people won't even notice you quit from IRC. This ONLY
+executes the new binary, it does NOT download/compile/whatever irssi.
+