diff --git a/jsonschema-core.xml b/jsonschema-core.xml
index 859aa549..91354146 100644
--- a/jsonschema-core.xml
+++ b/jsonschema-core.xml
@@ -487,7 +487,7 @@
         "single": {
             "$id": "#item",
             "type": "integer"
-        },
+        }
     }
 }
 ]]>
diff --git a/jsonschema-hyperschema.xml b/jsonschema-hyperschema.xml
index f7af1d25..b56287d9 100644
--- a/jsonschema-hyperschema.xml
+++ b/jsonschema-hyperschema.xml
@@ -139,7 +139,7 @@
         "authorId": {
             "type": "integer"
         },
-        "imgDataPng": {
+        "imgData": {
             "title": "Article Illustration (thumbnail)",
             "type": "string",
             "media": {
@@ -239,7 +239,7 @@
         },
         {
             "rel": "next",
-            "href": "{next_id}"
+            "href": "{nextId}"
         }
     ]
 }
@@ -251,8 +251,8 @@
                     <artwork>
 <![CDATA[
 {
-    "id": "41",
-    "next_id": "42"
+    "id": 41,
+    "nextId": 42
 }
 ]]>
                     </artwork>