diff --git a/Doc/library/array.rst b/Doc/library/array.rst
index ad622627724217..042bb5248e9f7c 100644
--- a/Doc/library/array.rst
+++ b/Doc/library/array.rst
@@ -30,17 +30,17 @@ defined:
 +-----------+--------------------+-------------------+-----------------------+-------+
 | ``'H'``   | unsigned short     | int               | 2                     |       |
 +-----------+--------------------+-------------------+-----------------------+-------+
-| ``'i'``   | signed int         | int               | 2                     |       |
+| ``'i'``   | signed int         | int               | 2                     | \(2)  |
 +-----------+--------------------+-------------------+-----------------------+-------+
-| ``'I'``   | unsigned int       | int               | 2                     |       |
+| ``'I'``   | unsigned int       | int               | 2                     | \(2)  |
 +-----------+--------------------+-------------------+-----------------------+-------+
-| ``'l'``   | signed long        | int               | 4                     |       |
+| ``'l'``   | signed long        | int               | 4                     | \(2)  |
 +-----------+--------------------+-------------------+-----------------------+-------+
-| ``'L'``   | unsigned long      | int               | 4                     |       |
+| ``'L'``   | unsigned long      | int               | 4                     | \(2)  |
 +-----------+--------------------+-------------------+-----------------------+-------+
-| ``'q'``   | signed long long   | int               | 8                     |       |
+| ``'q'``   | signed long long   | int               | 8                     | \(2)  |
 +-----------+--------------------+-------------------+-----------------------+-------+
-| ``'Q'``   | unsigned long long | int               | 8                     |       |
+| ``'Q'``   | unsigned long long | int               | 8                     | \(2)  |
 +-----------+--------------------+-------------------+-----------------------+-------+
 | ``'f'``   | float              | float             | 4                     |       |
 +-----------+--------------------+-------------------+-----------------------+-------+
@@ -60,6 +60,9 @@ Notes:
    .. deprecated-removed:: 3.3 3.16
       Please migrate to ``'w'`` typecode.
 
+(2)
+   As of 2024, 'h', 'i', 'l', and 'q' are usually 2, 4, 4 on Windows else 8, and 8 bytes.
+
 
 The actual representation of values is determined by the machine architecture
 (strictly speaking, by the C implementation).  The actual size can be accessed