Closes #10650: Deprecate the watchexp parameter of Decimal.quantize().
diff --git a/Doc/whatsnew/3.3.rst b/Doc/whatsnew/3.3.rst
index 845de84..47cbd4e 100644
--- a/Doc/whatsnew/3.3.rst
+++ b/Doc/whatsnew/3.3.rst
@@ -1190,6 +1190,10 @@
   changed to match the order displayed by :func:`repr`.
 
 
+* The ``watchexp`` parameter in the :meth:`~decimal.Decimal.quantize` method
+  is deprecated.
+
+
 ftplib
 ------