diff --git a/NEWS b/NEWS
index 9fb411216..e620b9b93 100644
--- a/NEWS
+++ b/NEWS
@@ -6,6 +6,9 @@ GNU coreutils NEWS                                    -*- outline -*-
   Why wasn't this noticed?  Although many tests use kill, none of
   them made an effort to avoid using the shell's built-in kill.
 - [ invoked with no arguments no longer evokes a segfault
+- expr now exits with status 2 if the expression is syntactically valid,
+  and with status 3 if an error occurred.  POSIX requires this.
+- expr now reports trouble if string comparison fails due to a collation error.
 
 
 * Major changes in release 5.0.1: