Rename buffer -> bytearray.
diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c
index 1b1593e..4ce774b 100644
--- a/Python/bltinmodule.c
+++ b/Python/bltinmodule.c
@@ -1879,7 +1879,7 @@
 	SETBUILTIN("True",		Py_True);
 	SETBUILTIN("bool",		&PyBool_Type);
 	SETBUILTIN("memoryview",        &PyMemoryView_Type);
-	SETBUILTIN("buffer",		&PyBytes_Type);
+	SETBUILTIN("bytearray",		&PyBytes_Type);
 	SETBUILTIN("bytes",		&PyString_Type);
 	SETBUILTIN("classmethod",	&PyClassMethod_Type);
 #ifndef WITHOUT_COMPLEX