diff --git a/TODO b/TODO
index 9c74024..061dee5 100644
--- a/TODO
+++ b/TODO
@@ -5,6 +5,10 @@
 
 ; General
 
+* allow deselection of notes in pattern editor.
+* some way to select by row as well as column. preferably better than
+   standard rubberband techniques. What I'd really like is a cross
+   hair to select x1,y1 and x2,y2 coords of a bounding box.
 * add option to create new instrument defintion.
 * per phrase tempo setting? Perhaps a percentage of global tempo?
 * add channel field to event list widget (but channel bits in pattern
diff --git a/doc/KEYS.mu b/doc/KEYS.mu
index 6d1a5f8..a96435b 100644
--- a/doc/KEYS.mu
+++ b/doc/KEYS.mu
@@ -21,6 +21,8 @@
 [[ C,           crop to range
 [[ Delete,	delete selected
 [[ Shift-Delete, clear grid
+[[ Control-Delete, delete time in range
+[[ Control-Insert, insert time
 [[ Arrow keys,  move viewport
 [[ Ctrl-Left,   move to previous note
 [[ Ctrl-Right,  move to next note