diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index 4a8f56da9a..fd7af55e87 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -6442,7 +6442,7 @@ A jump table for the options with a short description can be found at |Q_op|.
 	a single <Esc> is assumed. Many TUI cursor key codes start with <Esc>.
 
 	On very slow systems this may fail, causing cursor keys not to work
-	sometimes.  If you discover this problem you can ":set ttimeout=9999".
+	sometimes.  If you discover this problem you can ":set ttimeoutlen=9999".
 	Nvim will wait for the next character to arrive after an <Esc>.
 
 						*'timeoutlen'* *'tm'*