Exception message on boolean type

src/JMS/Serializer/XmlDeserializationVisitor.php

@@ -109,7 +109,7 @@ class XmlDeserializationVisitor extends AbstractVisitor
         } elseif ('false' === $data || '0' === $data) {
             $data = false;
         } else {
-            throw new RuntimeException(sprintf('Could not convert data to boolean. Expected "true", or "false", but got %s.', json_encode($data)));
+            throw new RuntimeException(sprintf('Could not convert data to boolean. Expected "true", "false", "1" or "0", but got %s.', json_encode($data)));
         }
 
         if (null === $this->result) {