diff --git a/dnet-ariadneplus-graphdb-publisher/test/resources/eu/dnetlib/ariadneplus/reader/json/spec.json b/dnet-ariadneplus-graphdb-publisher/test/resources/eu/dnetlib/ariadneplus/reader/json/spec.json
index 4a8fd04..166d8a2 100644
--- a/dnet-ariadneplus-graphdb-publisher/test/resources/eu/dnetlib/ariadneplus/reader/json/spec.json
+++ b/dnet-ariadneplus-graphdb-publisher/test/resources/eu/dnetlib/ariadneplus/reader/json/spec.json
@@ -290,21 +290,21 @@
       }
     }
   },
-    "CountryInfo": {
-      "class_type": "prototype",
-      "mappings": {
-        "https://www.ariadne-infrastructure.eu/property/country": {
-          "class_field": "Id",
-          "substring": "no",
-          "element_type": "java.lang.String"
-        },
-        "https://www.ariadne-infrastructure.eu/property/name": {
-          "class_field": "Name",
-          "substring": "no",
-          "element_type": "java.lang.String"
-        }
+  "CountryInfo": {
+    "class_type": "prototype",
+    "mappings": {
+      "https://www.ariadne-infrastructure.eu/property/country": {
+        "class_field": "Id",
+        "substring": "no",
+        "element_type": "java.lang.String"
+      },
+      "https://www.ariadne-infrastructure.eu/property/name": {
+        "class_field": "Name",
+        "substring": "no",
+        "element_type": "java.lang.String"
       }
-    },
+    }
+  },
   "AriadnePlusEntry": {
     "class_type": "unique",
     "mappings": {