More docstring.

Author: dustinhiatt-wf

rangetree/interface.go

@@ -61,7 +61,7 @@ type RangeTree interface {
 	// a nil is returned for that entry's index in the provided cells.
 	Delete(entries ...Entry) Entries
 	// Query will return a list of entries that fall within
-	// the provided interval.
+	// the provided interval.  The values at dimensions are inclusive.
 	Query(interval Interval) Entries
 	// Apply will call the provided function with each entry that exists
 	// within the provided range, in order.  Return false at any time to