#4764 in io.open, set IOError.filename when trying to open a directory on POSIX platforms
diff --git a/Misc/NEWS b/Misc/NEWS
index c315af0..78d9780 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,9 @@
 Core and Builtins
 -----------------
 
+- Issue #4764: With io.open, IOError.filename is set when trying to open a
+  directory on POSIX systems.
+
 - Issue #4764: IOError.filename is set when trying to open a directory on POSIX
   systems.