diff --git a/DOCS/man/mpv.rst b/DOCS/man/mpv.rst
index 3b074d6fcc..b70fc4001b 100644
--- a/DOCS/man/mpv.rst
+++ b/DOCS/man/mpv.rst
@@ -161,6 +161,9 @@ O
 v
     Toggle subtitle visibility.
 
+Alt+v
+    Toggle secondary subtitle visibility.
+
 j and J
     Cycle through the available subtitles.