gh-138952: Document platform.machine() output casing inconsistency across platforms (GH-138962)

Aniketsy · aisk · miss-islington · commit 73e98fe5c281 · 2025-09-17T14:58:11.000Z
(cherry picked from commit dd15a2e) Co-authored-by: Aniket <148300120+Aniketsy@users.noreply.github.com> Co-authored-by: AN Long <aisk@users.noreply.github.com>
diff --git a/Doc/library/platform.rst b/Doc/library/platform.rst
@@ -56,6 +56,8 @@ Cross platform
    Returns the machine type, e.g. ``'AMD64'``. An empty string is returned if the
    value cannot be determined.
 
+   The output is platform-dependent and may differ in casing and naming conventions.
+
 
 .. function:: node()
 
