diff --git a/Misc/NEWS b/Misc/NEWS
index 17a657a..e219439 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -39,6 +39,10 @@
 Library
 -------
 
+- Issue #7640: In the new `io` module, fix relative seek() for buffered
+  readable streams when the internal buffer isn't empty.  Patch by Pascal
+  Chambon.
+
 - Issue #5099: subprocess.Popen.__del__ no longer references global objects,
   leading to issues during interpreter shutdown.