1 files changed, 2 insertions, 0 deletions
diff --git a/tmux.1 b/tmux.1
index 7bf2bc4d..84a2a448 100644
--- a/tmux.1
+++ b/tmux.1
@@ -5387,6 +5387,8 @@ for the terminal default colour; or a hexadecimal RGB string such as
 .Ql #ffffff .
 .It Ic bg=colour
 Set the background colour.
+.It Ic us=colour
+Set the underscore colour.
 .It Ic none
 Set no attributes (turn off any active attributes).
 .It Xo Ic acs ,