comment on include without array

lib/dao-factory.js

@@ -1343,6 +1343,7 @@ module.exports = (function() {
     options.hasSingleAssociation = false
     options.hasSingleAssociation = false
     options.hasMultiAssociation = false
     options.hasMultiAssociation = false
 
 
+    // if include is not an array, wrap in an array
     if (!Array.isArray(options.include)) {
     if (!Array.isArray(options.include)) {
       options.include = [options.include]
       options.include = [options.include]
     }
     }