diff --git a/tmux.1 b/tmux.1
index fb08ddc1..9b6f8341 100644
--- a/tmux.1
+++ b/tmux.1
@@ -1028,7 +1028,7 @@ The
 option scrolls one page up.
 .Fl M
 begins a mouse drag (only valid if bound to a mouse key binding, see
-.Sx MOUSE SUPPORT Ns ).
+.Sx MOUSE SUPPORT ) .
 .El
 .Pp
 Each window displayed by
@@ -1678,7 +1678,7 @@ and unzoomed (its normal position in the layout).
 .Pp
 .Fl M
 begins mouse resizing (only valid if bound to a mouse key binding, see
-.Sx MOUSE SUPPORT Ns ).
+.Sx MOUSE SUPPORT ) .
 .It Xo Ic respawn-pane
 .Op Fl k
 .Op Fl t Ar target-pane
@@ -1746,7 +1746,7 @@ Make pane
 .Ar target-pane
 the active pane in window
 .Ar target-window ,
-or set it's style (with
+or set its style (with
 .Fl P ) .
 If one of
 .Fl D ,
@@ -2011,7 +2011,7 @@ flag causes the terminal state to be reset.
 .Pp
 .Fl M
 passes through a mouse event (only valid if bound to a mouse key binding, see
-.Sx MOUSE SUPPORT Ns ).
+.Sx MOUSE SUPPORT ) .
 .It Xo Ic send-prefix
 .Op Fl 2
 .Op Fl t Ar target-pane
@@ -3092,7 +3092,7 @@ The following mouse events are available:
 .It Li "MouseDown1" Ta "MouseUp1" Ta "MouseDrag1"
 .It Li "MouseDown2" Ta "MouseUp2" Ta "MouseDrag2"
 .It Li "MouseDown3" Ta "MouseUp3" Ta "MouseDrag3"
-.It Li "WheelUp" Ta "WheelDown"
+.It Li "WheelUp" Ta "WheelDown" Ta ""
 .El
 .Pp
 Each should be suffixed with a location, for example