1 files changed, 1 insertions, 1 deletions

diff --git a/tmux.1 b/tmux.1
index f7cb54d0..a85ff7a5 100644
--- a/tmux.1
+++ b/tmux.1
@@ -1959,7 +1959,7 @@ and unzoomed (its normal position in the layout).
 begins mouse resizing (only valid if bound to a mouse key binding, see
 .Sx MOUSE SUPPORT ) .
 .It Xo Ic resize-window
-.Op Fl aADLU
+.Op Fl aADLUR
 .Op Fl t Ar target-window
 .Op Fl x Ar width
 .Op Fl y Ar height