Fix markup for xml.sax in 3.8 notes. (GH-9603)

diff --git a/Doc/whatsnew/3.8.rst b/Doc/whatsnew/3.8.rst
index 7b9a940..74bdba3 100644
--- a/Doc/whatsnew/3.8.rst
+++ b/Doc/whatsnew/3.8.rst
@@ -244,7 +244,7 @@
 ---
 
 * As mitigation against DTD and external entity retrieval, the
-  :mod:`xml.dom.minidom` and mod:`xml.sax` modules no longer process
+  :mod:`xml.dom.minidom` and :mod:`xml.sax` modules no longer process
   external entities by default.
   (Contributed by Christian Heimes in :issue:`17239`.)
 
@@ -454,7 +454,7 @@
 * :class:`uuid.UUID` now uses ``__slots__``, therefore instances can no longer
   be weak-referenced and attributes can no longer be added.
 
-* :mod:`xml.dom.minidom` and mod:`xml.sax` modules no longer process
+* :mod:`xml.dom.minidom` and :mod:`xml.sax` modules no longer process
   external entities by default.
   (Contributed by Christian Heimes in :issue:`17239`.)