diff --git a/lib/Doctrine/ODM/PHPCR/UnitOfWork.php b/lib/Doctrine/ODM/PHPCR/UnitOfWork.php
index 60f8b9c02..ff7a9831a 100644
--- a/lib/Doctrine/ODM/PHPCR/UnitOfWork.php
+++ b/lib/Doctrine/ODM/PHPCR/UnitOfWork.php
@@ -514,7 +514,7 @@ public function computeChangeSet(ClassMetadata $class, $document)
 
         if (!isset($this->originalData[$oid])) {
             // Entity is New and should be inserted
-            $this->oiginalData[$oid] = $actualData;
+            $this->originalData[$oid] = $actualData;
             $this->documentChangesets[$oid] = $actualData;
             $this->scheduledInserts[$oid] = $document;
         } else {
@@ -711,6 +711,7 @@ public function flush($persist_to_backend = true)
 
             if ($class->referenceable) {
                 $node->addMixin("mix:referenceable");
+                // TODO make shure uuid is unique
                 $node->setProperty("jcr:uuid", \PHPCR\Util\UUIDHelper::generateUUID());
             }