diff --git a/UPGRADE_TO_2_0 b/UPGRADE_TO_2_0
index 66e00e0ab..ebbdcb0b9 100644
--- a/UPGRADE_TO_2_0
+++ b/UPGRADE_TO_2_0
@@ -1,3 +1,10 @@
+# Update from 2.0-BETA2 to 2.0-BETA3
+
+## Default Allocation Size for Sequences
+
+The default allocation size for sequences has been changed from 10 to 1. This step was made
+to not cause confusion with users and also because it is partly some kind of premature optimization.
+
 # Update from 2.0-BETA1 to 2.0-BETA2
 
 There are no backwards incompatible changes in this release.
diff --git a/lib/Doctrine/ORM/Mapping/Driver/DoctrineAnnotations.php b/lib/Doctrine/ORM/Mapping/Driver/DoctrineAnnotations.php
index 537aaf3a3..fb7871c74 100644
--- a/lib/Doctrine/ORM/Mapping/Driver/DoctrineAnnotations.php
+++ b/lib/Doctrine/ORM/Mapping/Driver/DoctrineAnnotations.php
@@ -119,7 +119,7 @@ final class JoinTable extends Annotation {
 }
 final class SequenceGenerator extends Annotation {
     public $sequenceName;
-    public $allocationSize = 10;
+    public $allocationSize = 1;
     public $initialValue = 1;
 }
 final class ChangeTrackingPolicy extends Annotation {}