diff --git a/etc/NEWS b/etc/NEWS
index 845ab382297..e201d88a098 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -387,6 +387,9 @@ number relative to the line showing point, with that line's number
 displayed as absolute.  The default is nil, which doesn't display the
 line numbers.
 
+Line numbers are not displayed at all in minibuffer windows and in
+tooltips, as they are not useful there.
+
 The new face 'line-number' is used to display the line numbers.  The
 new face 'line-number-current-line' can be customized to display the
 current line's number differently from all the other line numbers; by