Index: Doc/library/os.rst
===================================================================
--- Doc/library/os.rst	(revision 84487)
+++ Doc/library/os.rst	(working copy)
@@ -299,7 +299,7 @@
 .. function:: getresgid()
 
    Return a tuple (rgid, egid, sgid) denoting the current process's
-   real, effective, and saved user ids.
+   real, effective, and saved group ids.
 
    Availability: Unix.
 
Index: Modules/posixmodule.c
===================================================================
--- Modules/posixmodule.c	(revision 84487)
+++ Modules/posixmodule.c	(working copy)
@@ -7591,7 +7591,7 @@
 #ifdef HAVE_GETRESGID
 PyDoc_STRVAR(posix_getresgid__doc__,
 "getresgid() -> (rgid, egid, sgid)\n\n\
-Get tuple of the current process's real, effective, and saved user ids.");
+Get tuple of the current process's real, effective, and saved group ids.");
 
 static PyObject*
 posix_getresgid (PyObject *self, PyObject *noargs)