diff --git a/sway/sway-ipc.7.scd b/sway/sway-ipc.7.scd
index 44408818..6725b255 100644
--- a/sway/sway-ipc.7.scd
+++ b/sway/sway-ipc.7.scd
@@ -343,6 +343,9 @@ node and will have the following properties:
 |- sticky
 :  boolean
 :  Whether the node is sticky (shows on all workspaces)
+|- marks
+:  array
+:  List of marks assigned to the node
 |- focused
 :  boolean
 :  Whether the node is currently focused by the default seat (_seat0_)