diff --git a/etc/NEWS b/etc/NEWS
index d4638c17b1..1606d5b50e 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -1460,9 +1460,10 @@ buffer periodically when 'auto-revert-avoid-polling' is non-nil.
 
 ** delim-col
 
-*** 'delimit-columns-region' now delegates to
-'delimit-columns-rectangle' when called with a rectangular region
-(i.e. using rectangle-mark-mode).
+*** 'delimit-columns-region' acts differently on rectangular regions.
+When called with a noncontiguous rectangular region, i.e., when
+rectangle-mark-mode is enabled, 'delimit-columns-region' now acts like
+'delimit-columns-rectangle'.
 
 
 * New Modes and Packages in Emacs 27.1