diff --git a/tmux.1 b/tmux.1
index 06c11bdd..394c78d3 100644
--- a/tmux.1
+++ b/tmux.1
@@ -3476,6 +3476,7 @@ The following variables are available, where appropriate:
 .It Li "alternate_on" Ta "" Ta "If pane is in alternate screen"
 .It Li "alternate_saved_x" Ta "" Ta "Saved cursor X in alternate screen"
 .It Li "alternate_saved_y" Ta "" Ta "Saved cursor Y in alternate screen"
+.It Li "buffer_name" Ta "" Ta "Name of buffer"
 .It Li "buffer_sample" Ta "" Ta "Sample of start of buffer"
 .It Li "buffer_size" Ta "" Ta "Size of the specified buffer in bytes"
 .It Li "client_activity" Ta "" Ta "Integer time client last had activity"