diff --git a/coffee-rest/src/main/java/hu/icellmobilsoft/coffee/rest/validation/xml/JaxbTool.java b/coffee-rest/src/main/java/hu/icellmobilsoft/coffee/rest/validation/xml/JaxbTool.java
index 21f4341be..95639f06e 100644
--- a/coffee-rest/src/main/java/hu/icellmobilsoft/coffee/rest/validation/xml/JaxbTool.java
+++ b/coffee-rest/src/main/java/hu/icellmobilsoft/coffee/rest/validation/xml/JaxbTool.java
@@ -296,7 +296,7 @@ public String marshalXML(Object obj, String schemaPath) throws BaseException {
      *            path to XSD or catalog to validate on, if null, then validation is not executed
      * @return XML String
      * @param additionalClasses
-     *            these classes will be added to the {@link JAXBContext}
+     *            these classes will be added to the {@link JAXBContext}. Typically in case of 'Class not known to this context' errors.
      * @throws BaseException
      *             if invalid input or cannot be marshalled
      */
@@ -322,9 +322,11 @@ public String marshalXML(Object obj, String schemaPath, Class<?>... additionalCl
      * @param marshallerProperties
      *            marshaller properties
      * @return XML String
+     * @throws BaseException
+     *             if invalid input or cannot be marshalled
      */
-    public String marshalXML(Object obj, String schemaPath, Map<String, Object> marshallerProperties) {
-        return marshalXML(obj, schemaPath, marshallerProperties);
+    public String marshalXML(Object obj, String schemaPath, Map<String, Object> marshallerProperties) throws BaseException {
+        return marshalXML(obj, schemaPath, marshallerProperties, (Class<?>) null);
     }
 
     /**
@@ -338,7 +340,7 @@ public String marshalXML(Object obj, String schemaPath, Map<String, Object> mars
      * @param marshallerProperties
      *            marshaller properties
      * @param additionalClasses
-     *            these classes will be added to the {@link JAXBContext}
+     *            these classes will be added to the {@link JAXBContext}. Typically in case of 'Class not known to this context' errors.
      * @return XML String
      * @throws BaseException
      *             if invalid input or cannot be marshalled
diff --git a/coffee-rest/src/main/java/hu/icellmobilsoft/coffee/rest/validation/xml/utils/XsdHelper.java b/coffee-rest/src/main/java/hu/icellmobilsoft/coffee/rest/validation/xml/utils/XsdHelper.java
index f6602c61d..57c3b48d4 100644
--- a/coffee-rest/src/main/java/hu/icellmobilsoft/coffee/rest/validation/xml/utils/XsdHelper.java
+++ b/coffee-rest/src/main/java/hu/icellmobilsoft/coffee/rest/validation/xml/utils/XsdHelper.java
@@ -72,7 +72,7 @@ public XsdHelper() {
     /**
      * {@inheritDoc}
      *
-     * Létrehoz egy osztályhoz egy JAXBContext-et, cache-eli a választ.
+     * Creates and caches JAXBContext for the class
      */
     @Override
     public JAXBContext getJAXBContext(Class<?> forClass) throws JAXBException, BaseException {
@@ -92,7 +92,7 @@ public JAXBContext getJAXBContext(Class<?> forClass) throws JAXBException, BaseE
     /**
      * {@inheritDoc}
      *
-     * Létrehoz egy osztályhoz egy több classból álló JAXBContext-et, cache-eli a választ.
+     * Creates and caches JAXBContext for the classes
      */
     @Override
     public JAXBContext getJAXBContext(Class<?>... forClasses) throws JAXBException, BaseException {
@@ -112,7 +112,7 @@ public JAXBContext getJAXBContext(Class<?>... forClasses) throws JAXBException,
     /**
      * {@inheritDoc}
      *
-     * Létrehoz a megadott XSD-hez egy Schema-t, cache-eli a választ.
+     * Creates and caches a {@link Schema} for the given XSD
      */
     @Override
     public Schema getSchema(String xsd, LSResourceResolver lsResourceResolver) throws BaseException, SAXException {