diff --git a/runtime/optwin.vim b/runtime/optwin.vim
index 2b12f55..996e141 100644
--- a/runtime/optwin.vim
+++ b/runtime/optwin.vim
@@ -1,7 +1,7 @@
 " These commands create the option window.
 "
 " Maintainer:	The Vim Project <https://github.com/vim/vim>
-" Last Change:	2024 Dec 07
+" Last Change:	2025 Feb 08
 " Former Maintainer:	Bram Moolenaar <Bram@vim.org>
 
 " If there already is an option window, jump to that one.
@@ -1343,6 +1343,8 @@
 call <SID>OptionG("ve", &ve)
 call <SID>AddOption("eventignore", gettext("list of autocommand events which are to be ignored"))
 call <SID>OptionG("ei", &ei)
+call <SID>AddOption("eventignorewin", gettext("list of autocommand events which are to be ignored in a window"))
+call <SID>OptionG("eiw", &eiw)
 call <SID>AddOption("loadplugins", gettext("load plugin scripts when starting up"))
 call <SID>BinOptionG("lpl", &lpl)
 call <SID>AddOption("exrc", gettext("enable reading .vimrc/.exrc/.gvimrc in the current directory"))