Issue #12213: Fix a buffering bug with interleaved reads and writes that
could appear on BufferedRandom streams.
diff --git a/Misc/NEWS b/Misc/NEWS
index f8c135f..da0e67f 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -19,6 +19,9 @@
 Library
 -------
 
+- Issue #12213: Fix a buffering bug with interleaved reads and writes that
+  could appear on BufferedRandom streams.
+
 - Issue #12326: sys.platform is now always 'linux2' on Linux, even if Python
   is compiled on Linux 3.