diff --git a/TODO b/TODO
index 10fe7a71..891c2d6c 100644
--- a/TODO
+++ b/TODO
@@ -18,6 +18,9 @@ Note: features included in brackets have lower priority.
 	o recent projects menu
 	o project indentation settings support
 	o improve Compile toolbar button for Make (drop down radio list?)
+	o (for spaces indentation, distinguish between tab width vs. indent
+	  width, e.g. GTK code uses indent width of 2 spaces, and any tabs are
+	  worth 8 spaces.)
 	o (selectable menu of arguments to use for Make, from Make Custom)
 	o (DBUS)
 	o (indent wrapped lines  - Scintilla issue)