#4764 set IOError.filename when trying to open a directory on POSIX platforms
diff --git a/Misc/NEWS b/Misc/NEWS
index a5b3d2d..c315af0 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,9 @@
 Core and Builtins
 -----------------
 
+- Issue #4764: IOError.filename is set when trying to open a directory on POSIX
+  systems.
+
 - Issue #4759: None is now allowed as the first argument of
   bytearray.translate().  It was always allowed for bytes.translate().