Issue #11727: set regrtest default timeout to 15 minutes
diff --git a/Misc/NEWS b/Misc/NEWS
index 985e359..5a0e8a3 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -361,7 +361,9 @@
 Tests
 -----
 
-- Issue #11727: add --timeout option to regrtest (disabled by default).
+- Issue #11727: If a test takes more than 15 minutes, regrtest dumps the
+  traceback of all threads and exits. Use --timeout option to change the
+  default timeout or to disable it.
 
 - Issue #11653: fix -W with -j in regrtest.