diff --git a/src/main/resources/json-schema/digital-media.json b/src/main/resources/json-schema/digital-media.json
index fb6a383..8442c03 100644
--- a/src/main/resources/json-schema/digital-media.json
+++ b/src/main/resources/json-schema/digital-media.json
@@ -189,6 +189,7 @@
     },
     "mediaType": {
       "type": "string",
+      "description": "Describes the primary nature of the digital media",
       "$comment": "idx = 407"
     },
     "mimeType": {