diff --git a/src/shared/cmd.h b/src/shared/cmd.h
index cfb7300..a162c64 100644
--- a/src/shared/cmd.h
+++ b/src/shared/cmd.h
@@ -18,6 +18,13 @@
 // list-end               // end initial listing of dir
 // viewmode-set           // force a specific view mode from backend
 // detail-header-set      // set detail header text, size
+// dir-request            // backend requests to show a new dir
+// timer-add              // backend can ask for a timer to be added
+// timer-del              // backend can ask for a timer to be deleted
+// timer                  // event from front to backend that a timer ticked
+// file-detail-change     // user interacted with detail - changed it
+// file-detail-clicked    // user interacted with detail - clicked it
+// file-detail-select     // user interacted with detail - selected sub item
 //
 // cnp-cut
 // cnp-copy
@@ -26,8 +33,8 @@
 // dnd-drag-end
 // dnd-drop
 // dnd-hover
-// 
-// file-run
+//
+// file-run               // double-click file (or enter on kbd)
 // file-clicked
 // file-selected
 // file-unselected