diff --git a/manual/en/tools.txt b/manual/en/tools.txt
index bec25dddd..31109b7f6 100644
--- a/manual/en/tools.txt
+++ b/manual/en/tools.txt
@@ -169,6 +169,13 @@ for the ran operation.
 
 Before using the orm:schema-tool commands, remember to configure your cli-config.php properly.
 
+> **NOTE**
+>
+> When using the Annotation Mapping Driver you have to either setup your autoloader in the cli-config.php
+> correctly to find all the entities, or you can use the second argument of the `EntityManagerHelper` to
+> specifiy all the paths of your entities (or mapping files), i.e.
+> `new \Doctrine\ORM\Tools\Console\Helper\EntityManagerHelper($em, $mappingPaths);`
+
 ++ Convert Mapping Information
 
 Doctrine comes with some special tools for working with the various supported