diff --git a/pages/IPC/_index.md b/pages/IPC/_index.md
index b7f4a12..be407de 100644
--- a/pages/IPC/_index.md
+++ b/pages/IPC/_index.md
@@ -41,6 +41,7 @@ e.g.: `workspace>>2`
 | openwindow | emitted when a window is opened | `WINDOWADDRESS`,`WORKSPACENAME`,`WINDOWCLASS`,`WINDOWTITLE` |
 | closewindow | emitted when a window is closed | `WINDOWADDRESS` |
 | movewindow | emitted when a window is moved to a workspace | `WINDOWADDRESS`,`WORKSPACENAME` |
+| submap | emitted when a keybind submap changes. Empty means default. |`SUBMAPNAME` |
 
 {{< hint type=warning >}}
 A fullscreen event is not guaranteed to fire on/off once in succession.