diff --git a/man/waybar-river-tags.5.scd b/man/waybar-river-tags.5.scd
index f0b2b84e..d629f73d 100644
--- a/man/waybar-river-tags.5.scd
+++ b/man/waybar-river-tags.5.scd
@@ -40,10 +40,13 @@ Addressed by *river/tags*
 - *#tags button.occupied*
 - *#tags button.focused*
 - *#tags button.urgent*
+- *#tags button.output*
 
-Note that occupied/focused/urgent status may overlap. That is, a tag may be
+Note that occupied/focused/urgent/output status may overlap. That is, a tag may be
 both occupied and focused at the same time.
 
+The *output* style is applied when the river output (e.g. monitor) of the current bar is focused.
+
 # SEE ALSO
 
 waybar(5), river(1)