Some documentation comments

js/entity/PinReferenceEntity.js

@@ -1,11 +1,11 @@
 import GuidEntity from "./GuidEntity"
 import IEntity from "./IEntity"
-import PathSymbol from "./PathSymbolEntity"
+import PathSymbolEntity from "./PathSymbolEntity"
 
 export default class PinReferenceEntity extends IEntity {
 
     static attributes = {
-        objectName: PathSymbol,
+        objectName: PathSymbolEntity,
         pinGuid: GuidEntity
     }
 }