Issue #11140: Lock.release() now raises a RuntimeError when attempting
to release an unacquired lock, as claimed in the threading documentation.
The _thread.error exception is now an alias of RuntimeError.
diff --git a/Misc/NEWS b/Misc/NEWS
index cad8eda..a7f162d 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -35,6 +35,10 @@
 Library
 -------
 
+- Issue #11140: Lock.release() now raises a RuntimeError when attempting
+  to release an unacquired lock, as claimed in the threading documentation.
+  The _thread.error exception is now an alias of RuntimeError.
+
 - Issue 8594: ftplib now provides a source_address parameter to specify which
   (address, port) to bind to before connecting.