diff --git a/Doc/distutils/setupscript.rst b/Doc/distutils/setupscript.rst
index 6e3fd38..7a6be8b 100644
--- a/Doc/distutils/setupscript.rst
+++ b/Doc/distutils/setupscript.rst
@@ -561,6 +561,8 @@
 +----------------------+---------------------------+-----------------+--------+
 | ``classifiers``      | a list of classifiers     | list of strings | \(4)   |
 +----------------------+---------------------------+-----------------+--------+
+| ``platforms``        | a list of platforms       | list of strings |        |
++----------------------+---------------------------+-----------------+--------+
 
 Notes: