diff --git a/README.md b/README.md
index 11012f8..df33127 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 [![PyPI Python Version](https://img.shields.io/pypi/pyversions/pybytom.svg)](https://pypi.org/project/pybytom)
 [![Coverage Status](https://coveralls.io/repos/github/meherett/pybytom/badge.svg?branch=master&kill_cache=1)](https://coveralls.io/github/meherett/pybytom?branch=master)
 
-Python library with tools for Bytom blockchain. [Wiki Documentation](https://github.com/meherett/pybytom/wiki)
+Python library with tools for Bytom mainchain and sidechain protocols. [Wiki Documentation](https://github.com/meherett/pybytom/wiki)
 
 ## Installation
 
diff --git a/setup.py b/setup.py
index 491420b..5639662 100644
--- a/setup.py
+++ b/setup.py
@@ -14,15 +14,15 @@
 
 setup(
     name="pybytom",
-    version="1.5.0",
-    description="Python library with tools for Bytom blockchain.",
+    version="1.5.1",
+    description="Python library with tools for Bytom mainchain and sidechain protocols.",
     long_description=long_description,
     long_description_content_type="text/markdown",
     license="MIT",
     author="Meheret Tesfaye",
     author_email="meherett@zoho.com",
     url="https://github.com/meherett/pybytom",
-    keywords=["bytom", "vapor", "blockchain", "sidechain", "wallet"],
+    keywords=["bytom", "vapor", "mainchain", "sidechain", "wallet", "protocol", "blockchain"],
     python_requires=">=3.6,<4",
     packages=find_packages(),
     install_requires=requirements,