diff --git a/keystone/application_credential/schema.py b/keystone/application_credential/schema.py
index 52a7582a1c..edf6462bde 100644
--- a/keystone/application_credential/schema.py
+++ b/keystone/application_credential/schema.py
@@ -46,5 +46,5 @@ application_credential_create = {
     'type': 'object',
     'properties': _application_credential_properties,
     'required': ['name'],
-    'additionanlProperties': True
+    'additionalProperties': True
 }