diff -r 585ad5d806bd Doc/library/os.rst
--- a/Doc/library/os.rst	Fri Jun 06 17:43:37 2014 -0400
+++ b/Doc/library/os.rst	Sat Jun 07 10:43:38 2014 -0700
@@ -379,7 +379,7 @@
 
    .. index:: single: user; id
 
-   Return the current process's user id.
+   Return the current process's real user id.
 
    Availability: Unix.