Update Misc/NEWS to include os.getpriority() and os.setpriority() addition.
diff --git a/Misc/NEWS b/Misc/NEWS
index b0f49c1..45791e2 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -35,6 +35,8 @@
 Library
 -------
 
+- Issue #10784: New os.getpriority() and os.setpriority() functions.
+
 - Issue #11114: Fix catastrophic performance of tell() on text files (up
   to 1000x faster in some cases).  It is still one to two order of magnitudes
   slower than binary tell().