1 files changed, 3 insertions, 0 deletions

diff --git a/Misc/NEWS b/Misc/NEWS
index 12d4413..d15f673 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -736,6 +736,9 @@ Tools
 Documentation
 -------------
 
+- Bug #1569057: Document that calling file.next() when the file is open for
+  writing is undefined.
+
 - Patch #1489771: the syntax rules in Python Reference Manual were
   updated to reflect the current Python syntax.