Hi! I've found two typos: - https://github.com/arangodb/arangodb-java-driver/blob/master/src/main/java/com/arangodb/ArangoDB.java#L176 ``` java public <T> Builder regitserInstanceCreator(final Class<T> clazz, final VPackInstanceCreator<T> creator) { ``` - https://github.com/arangodb/arangodb-java-driver/blob/master/src/main/java/com/arangodb/velocypack/VPack.java#L164 ``` java public <T> VPack.Builder regitserInstanceCreator(final Type type, final VPackInstanceCreator<T> creator) { ``` Best regards