Updated README.md

Author: rickecon

README.md

@@ -6,7 +6,7 @@
 | Package | [![Python 3.10](https://img.shields.io/badge/python-3.10-blue.svg)](https://www.python.org/downloads/release/python-31013/) [![PyPI Latest Release](https://img.shields.io/pypi/v/compmethods.svg)](https://pypi.org/project/compmethods/) [![PyPI Downloads](https://img.shields.io/pypi/dm/compmethods.svg?label=PyPI%20downloads)](https://pypi.org/project/compmethods/) |
 | Testing | ![example event parameter](https://github.com/OpenSourceEcon/CompMethods/actions/workflows/build_and_test.yml/badge.svg?branch=main) ![example event parameter](https://github.com/OpenSource/CompMethods/actions/workflows/deploy_docs.yml/badge.svg?branch=main) ![example event parameter](https://github.com/OpenSourceEcon/CompMethods/actions/workflows/check_format.yml/badge.svg?branch=main) [![Codecov](https://codecov.io/gh/OpenSourceEcon/CompMethods/branch/main/graph/badge.svg)](https://codecov.io/gh/OpenSourceEcon/compmethods) |
 
-This repository contains the source material, code, and data for the book, [*Computational Methods for Economists using Python*](), by Richard W. Evans (2023). This book is freely available online as an executable Jupyter Book at [url to book](https://opensourceecon.github.io/CompMethods/).
+This repository contains the source material, code, and data for the book, [*Computational Methods for Economists using Python*](https://opensourceecon.github.io/CompMethods/), by Richard W. Evans (2023). This book is freely available online as an executable Jupyter Book at [url to book](https://opensourceecon.github.io/CompMethods/).
 
 The materials for the book are constantly being updated. The version number listed in the [Releases](https://github.com/OpenSourceEcon/CompMethods/releases) section of the repository tracks the updates, as well as the [`CHANGELOG.md`](CHANGELOG.md) file.