diff --git a/examples/example_json/using-marking-definitions.json b/examples/example_json/using-marking-definitions.json
index dedffc5..ac929e1 100644
--- a/examples/example_json/using-marking-definitions.json
+++ b/examples/example_json/using-marking-definitions.json
@@ -11,7 +11,7 @@
           "name": "Stark Industries",
           "identity_class": "organization",
           "sectors": [
-              "defence"
+              "defense"
           ],
           "contact_information": "info@stark.com"
       },
@@ -23,6 +23,7 @@
           "created": "2017-04-14T13:07:49.812Z",
           "modified": "2017-04-14T13:07:49.812Z",
           "name": "Known malicious IP Address",
+          "description": "Detected malicious activity from this address",
           "indicator_types": [
               "malicious-activity"
           ],
@@ -55,4 +56,4 @@
           }
       }
   ]
-}
\ No newline at end of file
+}
diff --git a/examples/producer_python/using-marking-definitions-producer.py b/examples/producer_python/using-marking-definitions-producer.py
index 9116d00..dbf7b34 100644
--- a/examples/producer_python/using-marking-definitions-producer.py
+++ b/examples/producer_python/using-marking-definitions-producer.py
@@ -7,7 +7,7 @@
     name="Stark Industries",
     contact_information="info@stark.com",
     identity_class="organization",
-    sectors=["defence"]
+    sectors=["defense"]
 )
 
 marking_def_amber = MarkingDefinition(
@@ -32,6 +32,7 @@
     modified="2017-04-14T13:07:49.812Z",
     created_by_ref="identity--611d9d41-dba5-4e13-9b29-e22488058ffc",
     name="Known malicious IP Address",
+    description="Detected malicious activity from this address",
     indicator_types=["malicious-activity"],
     pattern="[ipv4-addr:value = '10.0.0.0']",
     pattern_type="stix",
diff --git a/validate-examples.sh b/validate-examples.sh
index fc8081d..e536121 100755
--- a/validate-examples.sh
+++ b/validate-examples.sh
@@ -1,3 +1,3 @@
 #!/bin/bash
 
-find . -iname "*.json" -print0 | xargs -0 stix2_validator --strict --ignore 302
+find . -iname "*.json" -print0 | xargs -0 stix2_validator --strict --ignore 302,304