diff --git a/images/book/doctrine_image_1.png b/images/book/doctrine_image_1.png
index aa4e51209be..6f88c6cacfa 100644
Binary files a/images/book/doctrine_image_1.png and b/images/book/doctrine_image_1.png differ
diff --git a/images/book/doctrine_image_3.png b/images/book/doctrine_image_3.png
index ed472b2a68c..935153291d4 100644
Binary files a/images/book/doctrine_image_3.png and b/images/book/doctrine_image_3.png differ