What's new entry for PEP 397 and Windows PATH modification
diff --git a/Doc/using/windows.rst b/Doc/using/windows.rst
index 51152df..5f01b77 100644
--- a/Doc/using/windows.rst
+++ b/Doc/using/windows.rst
@@ -132,6 +132,8 @@
       Setting Environment variables, Louis J. Farrugia
 
 
+.. _windows-path-mod:
+
 Finding the Python executable
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