Update README

Author: robbievanleeuwen

README.md

@@ -2,7 +2,7 @@
 ![Logo Light](docs/source/images/logo.png#gh-light-mode-only)
 
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+ [![codecov](https://codecov.io/gh/robbievanleeuwen/section-properties/branch/master/graph/badge.svg?token=QCH9J4SG6P)](https://codecov.io/gh/robbievanleeuwen/section-properties) [![PyPI version](https://badge.fury.io/py/sectionproperties.svg)](https://badge.fury.io/py/sectionproperties) [![Python versions](https://img.shields.io/badge/python-3.7%20%7C%203.8%20%7C%203.9-blue?style=flat&logo=python)](https://badge.fury.io/py/sectionproperties) [![GitHub license](https://img.shields.io/github/license/robbievanleeuwen/section-properties)](https://github.com/robbievanleeuwen/section-properties/blob/master/LICENSE.md)
 
 A python package for the analysis of arbitrary cross-sections using the finite element method written by Robbie van Leeuwen. *sectionproperties* can be used to determine section properties to be used in structural design and visualise cross-sectional stresses resulting from combinations of applied forces and bending moments.
 
@@ -84,4 +84,4 @@ $ pip install sectionproperties
 
 ## Disclaimer:
 
-*sectionproperties* is an open source engineering tool that continues to benefit from the collaboration of many contributors. Although efforts have been made to ensure the that relevant engineering theories have been correctly implemented, it remains the user's responsibility to confirm and accept the output. Refer to the [license](LICENSE) for clarification of the conditions of use.
+*sectionproperties* is an open source engineering tool that continues to benefit from the collaboration of many contributors. Although efforts have been made to ensure the that relevant engineering theories have been correctly implemented, it remains the user's responsibility to confirm and accept the output. Refer to the [license](LICENSE.md) for clarification of the conditions of use.