Merge 3.2 closes issue 13557
diff --git a/Misc/NEWS b/Misc/NEWS
index 298065e..823762c 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -98,6 +98,12 @@
     * C frames that are garbage-collecting
     * C frames that are due to the invocation of a PyCFunction
 
+Documentation
+-------------
+
+- Issue #13557: Clarify effect of giving two different namespaces to exec or
+  execfile().
+
 Tests
 -----