diff --git a/patrole_tempest_plugin/policy_authority.py b/patrole_tempest_plugin/policy_authority.py
index 3f4236b..6851942 100644
--- a/patrole_tempest_plugin/policy_authority.py
+++ b/patrole_tempest_plugin/policy_authority.py
@@ -292,8 +292,9 @@
 
     def _try_rule(self, apply_rule, target, access_data, o):
         if apply_rule not in self.rules:
-            message = "Policy action: {0} not found in policy file: {1}."\
-                      .format(apply_rule, self.path)
+            message = ("Policy action \"{0}\" not found in policy file: {1} or"
+                       " among registered policy in code defaults for service."
+                       ).format(apply_rule, self.path)
             LOG.debug(message)
             raise rbac_exceptions.RbacParsingException(message)
         else:
diff --git a/patrole_tempest_plugin/tests/unit/test_policy_authority.py b/patrole_tempest_plugin/tests/unit/test_policy_authority.py
index db651fc..d2074e7 100644
--- a/patrole_tempest_plugin/tests/unit/test_policy_authority.py
+++ b/patrole_tempest_plugin/tests/unit/test_policy_authority.py
@@ -269,8 +269,10 @@
             test_tenant_id, test_user_id, "custom_rbac_policy")
 
         fake_rule = 'fake_rule'
-        expected_message = "Policy action: {0} not found in policy file: {1}."\
-                           .format(fake_rule, self.custom_policy_file)
+        expected_message = (
+            "Policy action \"{0}\" not found in policy file: {1} or among "
+            "registered policy in code defaults for service.").format(
+            fake_rule, self.custom_policy_file)
 
         e = self.assertRaises(rbac_exceptions.RbacParsingException,
                               authority.allowed, fake_rule, None)
@@ -289,9 +291,10 @@
             **{'__getitem__.return_value.side_effect': Exception(
                mock.sentinel.error)})
 
-        expected_message = "Policy action: {0} not found in "\
-                           "policy file: {1}.".format(mock.sentinel.rule,
-                                                      self.custom_policy_file)
+        expected_message = (
+            "Policy action \"{0}\" not found in policy file: {1} or among "
+            "registered policy in code defaults for service.").format(
+            mock.sentinel.rule, self.custom_policy_file)
 
         e = self.assertRaises(rbac_exceptions.RbacParsingException,
                               authority.allowed, mock.sentinel.rule, None)