diff --git a/lib/urbanopt/geojson/schema/thermal_connector_properties.json b/lib/urbanopt/geojson/schema/thermal_connector_properties.json
index 035e575..254a91e 100644
--- a/lib/urbanopt/geojson/schema/thermal_connector_properties.json
+++ b/lib/urbanopt/geojson/schema/thermal_connector_properties.json
@@ -59,7 +59,7 @@
       "$ref": "#/definitions/TemperatureType"
     },
     "flow_direction": {
-      "description": "Charcterization of connector, relative to the central plant",
+      "description": "Characterization of connector, relative to the central plant",
       "$ref": "#/definitions/FlowDirection"
     },
     "user_data": {
@@ -68,6 +68,7 @@
   },
   "required": [
     "id",
+    "type",
     "startJunctionId",
     "endJunctionId"
   ],
diff --git a/lib/urbanopt/geojson/schema/thermal_junction_properties.json b/lib/urbanopt/geojson/schema/thermal_junction_properties.json
index 11f6ac8..fa3e755 100644
--- a/lib/urbanopt/geojson/schema/thermal_junction_properties.json
+++ b/lib/urbanopt/geojson/schema/thermal_junction_properties.json
@@ -60,7 +60,8 @@
     }
   },
   "required": [
-    "id"
+    "id",
+    "type"
   ],
   "additionalProperties": false,
   "definitions": {