diff --git a/os_resource_classes/__init__.py b/os_resource_classes/__init__.py
index e908223..b3cbc08 100644
--- a/os_resource_classes/__init__.py
+++ b/os_resource_classes/__init__.py
@@ -37,7 +37,7 @@ import sys
 
 
 # Extend this list, if required, by adding **to the end of it**.
-ORDERED_CLASSES = [
+STANDARDS = [
     # Virtual CPUs
     'VCPU',
     # Memory Megabytes
@@ -65,5 +65,5 @@ def is_custom(resource_class):
 
 # Set symbols that match resource class name strings.
 package = sys.modules[__name__]
-for resource_class in ORDERED_CLASSES:
+for resource_class in STANDARDS:
     setattr(package, resource_class, resource_class)
diff --git a/os_resource_classes/tests/test_os_resource_classes.py b/os_resource_classes/tests/test_os_resource_classes.py
index 8327695..f2baa46 100644
--- a/os_resource_classes/tests/test_os_resource_classes.py
+++ b/os_resource_classes/tests/test_os_resource_classes.py
@@ -24,9 +24,9 @@ from os_resource_classes.tests import base
 class TestOs_resource_classes(base.TestCase):
 
     def test_id_mapping_strings(self):
-        self.assertEqual('VCPU', rc.ORDERED_CLASSES[0])
-        self.assertEqual('DISK_GB', rc.ORDERED_CLASSES[2])
+        self.assertEqual('VCPU', rc.STANDARDS[0])
+        self.assertEqual('DISK_GB', rc.STANDARDS[2])
 
     def test_id_mapping_symbols(self):
-        self.assertEqual(rc.VCPU, rc.ORDERED_CLASSES[0])
-        self.assertEqual(rc.DISK_GB, rc.ORDERED_CLASSES[2])
+        self.assertEqual(rc.VCPU, rc.STANDARDS[0])
+        self.assertEqual(rc.DISK_GB, rc.STANDARDS[2])