diff --git a/NOTICE.txt b/NOTICE.txt
index 2d10519..bab10cb 100644
--- a/NOTICE.txt
+++ b/NOTICE.txt
@@ -1,4 +1,4 @@
-Copyright 2020 Tian Gao 
+Copyright 2020-2021 Tian Gao 
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/README.md b/README.md
index 68e257b..8cac918 100644
--- a/README.md
+++ b/README.md
@@ -184,11 +184,12 @@ that match exclusive check.
 ```objprint``` formats the output based on some configs
 
 * ``config_name(default_value)`` - this config's explanation
-* ``depth(6)`` - how deep ```objprint``` goes into nested data structures
+* ``depth(100)`` - how deep ```objprint``` goes into nested data structures
 * ``indent(2)`` - the indentation
 * ``width(80)`` - the maximum width a data structure will be presented as a single line
 * ``elements(-1)`` - the maximum number of elements that will be displayed, ``-1`` means no restriction
 * ``color(True)`` - whether to use colored scheme
+* ``skip_recursion(True)`` - whether skip printing recursive data, which would cause infinite recursion without ``depth`` constraint
 * ``honor_existing(True)`` - whether to use the existing user defined ``__repr__`` or ``__str__`` method
 
 You can set the configs globally using ``config`` function
@@ -229,6 +230,6 @@ Please send bug reports and feature requests through [github issue tracker](http
 
 ## License
 
-Copyright Tian Gao, 2020.
+Copyright Tian Gao, 2020-2021.
 
 Distributed under the terms of the  [Apache 2.0 license](https://github.com/gaogaotiantian/objprint/blob/master/LICENSE).
diff --git a/src/objprint/__init__.py b/src/objprint/__init__.py
index ef7fe65..4379cd5 100644
--- a/src/objprint/__init__.py
+++ b/src/objprint/__init__.py
@@ -1,7 +1,7 @@
 # Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
 # For details: https://github.com/gaogaotiantian/objprint/blob/master/NOTICE.txt
 
-__version__ = "0.1.3"
+__version__ = "0.1.4"
 
 
 from .objprint import ObjPrint