1 files changed, 3 insertions, 0 deletions
diff --git a/tmux.1 b/tmux.1
index cd20c056..46fe1fa2 100644
--- a/tmux.1
+++ b/tmux.1
@@ -4574,6 +4574,9 @@ pads the string to a given width, for example
 .Ql #{p10:pane_title}
 will result in a width of at least 10 characters.
 A positive width pads on the left, a negative on the right.
+.Ql n
+expands to the length of the variable, for example
+.Ql #{n:window_name} .
 .Pp
 Prefixing a time variable with
 .Ql t:\&