diff --git a/Doc/library/marshal.rst b/Doc/library/marshal.rst
index c8f1d57317e..f9ba4d554b0 100644
--- a/Doc/library/marshal.rst
+++ b/Doc/library/marshal.rst
@@ -10,7 +10,7 @@
 This module contains functions that can read and write Python values in a binary
 format.  The format is specific to Python, but independent of machine
 architecture issues (e.g., you can write a Python value to a file on a PC,
-transport the file to a Sun, and read it back there).  Details of the format are
+transport the file to a Mac, and read it back there).  Details of the format are
 undocumented on purpose; it may change between Python versions (although it
 rarely does). [#]_