diff --git a/nova/tests/unit/virt/libvirt/test_imagecache.py b/nova/tests/unit/virt/libvirt/test_imagecache.py
index 1c39c0426bd8..65dfb3d5053e 100644
--- a/nova/tests/unit/virt/libvirt/test_imagecache.py
+++ b/nova/tests/unit/virt/libvirt/test_imagecache.py
@@ -960,7 +960,7 @@ class VerifyChecksumTestCase(test.NoDBTestCase):
                 log = stream.getvalue()
 
                 # NOTE(mikal): this is a skip not a fail because the file is
-                # present, but is not in valid json format and therefore is
+                # present, but is not in valid JSON format and therefore is
                 # skipped.
                 self.assertNotEqual(log.find('image verification skipped'), -1)
 
diff --git a/nova/virt/hardware.py b/nova/virt/hardware.py
index c33aae580ff4..092d030c5559 100644
--- a/nova/virt/hardware.py
+++ b/nova/virt/hardware.py
@@ -1241,7 +1241,7 @@ def host_topology_and_format_from_host(host):
     get beck either None, or an instance of objects.NUMATopology class.
 
     :returns: A two-tuple, first element is the topology itself or None, second
-              is a boolean set to True if topology was in json format.
+              is a boolean set to True if topology was in JSON format.
     """
     was_json = False
     try: