diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f78e122..5a94412 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,6 +10,9 @@ on:
       - "**.md"
 jobs:
   ci:
+    #----------------------------------------------
+    # -----  setup operating system  -----
+    #----------------------------------------------
     runs-on: ${{ matrix.operating-system }}
     strategy:
       fail-fast: false
@@ -18,7 +21,7 @@ jobs:
         python-version: [3.9.7]
     steps:
       #----------------------------------------------
-      #       check-out repo and set-up python
+      # ----- check-out repo and set-up python -----
       #----------------------------------------------
       - name: Checkout Repository
         uses: actions/checkout@v2
@@ -26,7 +29,6 @@ jobs:
         uses: actions/setup-python@v2
         with:
           python-version: ${{ matrix.python-version }}
-
       #----------------------------------------------
       # -----  install & configure poetry  -----
       #----------------------------------------------
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6376ab1..120661f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,13 +13,15 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 ## Version 0.2.0-beta - 2022-05-29
 
 ### Fixed
-
+- [#78](https://github.com/slickml/slick-ml/pull/78) `build` badge using GitHub actions and removed the `travis-ci` badge and dependencies.
+- 
 ### Updated
 - [#77](https://github.com/slickml/slick-ml/pull/77) updated `.flake8`, `.gitingore` entries, `ISSUE_TEMPLATES`, `README.md`, `CONTRIBUTING.md`, `assets/`, `examples/` formats, and `src/` style, `ci.yml` workflow.
 
 ### Added
 - [#77](https://github.com/slickml/slick-ml/pull/77) added poetry essentials and essentials based on [#72](https://github.com/slickml/slick-ml/pull/72) and removed all `setup.py` essentials.
-- [#77](https://github.com/slickml/slick-ml/pull/77) added `tox`, `mypy`, `pytest-cov`, `sphinx-auto-api-doc`.
+- [#77](https://github.com/slickml/slick-ml/pull/77) added `tox`, `mypy`, `pytest-cov`.
+- [#77](https://github.com/slickml/slick-ml/pull/77) added `sphinx-auto-api-doc` based on [#32](https://github.com/slickml/slick-ml/pull/32). 
 
 
 ## Version 0.1.5 - 2021-09-06
diff --git a/README.md b/README.md
index 7e5c49b..8696592 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,7 @@
-[![build status](https://travis-ci.com/slickml/slick-ml.svg?branch=master)](https://travis-ci.com/github/slickml/slick-ml)
+[![build](https://github.com/slickml/slick-ml/actions/workflows/ci.yml/badge.svg)](https://github.com/slickml/slick-ml/actions/workflows/ci.yml)
 [![License](https://img.shields.io/github/license/slickml/slick-ml)](https://github.com/slickml/slick-ml/blob/master/LICENSE/)
 [![PyPI - Downloads](https://img.shields.io/pypi/dm/slickml)](https://pypi.org/project/slickml/)
 ![PyPI Version](https://img.shields.io/pypi/v/slickml)
-![PyPI - Wheel](https://img.shields.io/pypi/wheel/slickml)
-![PyPI - Implementation](https://img.shields.io/pypi/implementation/slickml)
 ![Python Version](https://img.shields.io/pypi/pyversions/slickml)
 [![Issues](https://img.shields.io/github/issues/slickml/slick-ml)](https://github.com/slickml/slick-ml/issues)
 [![Forks](https://img.shields.io/github/forks/slickml/slick-ml)](https://github.com/slickml/slick-ml/network/members/)