README: fixed link in docs badge

Author: TomMonks

README.md

@@ -2,7 +2,7 @@
 [![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.10054063.svg)](https://doi.org/10.5281/zenodo.10054063)
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
 [![Python 3.8+](https://img.shields.io/badge/python-3.8+-blue.svg)](https://www.python.org/downloads/release/python-360+/)
-[![Read the Docs](https://readthedocs.org/projects/pip/badge/?version=latest)](https://pythonhealthdatascience.github.io/stars-simpy-examplar-docs)
+[![Read the Docs](https://readthedocs.org/projects/pip/badge/?version=latest)](https://pythonhealthdatascience.github.io/stars-simpy-example-docs)
 [![License: MIT](https://img.shields.io/badge/ORCID-0000--0001--5274--5037-brightgreen)](https://orcid.org/0000-0001-5274-5037)
 [![License: MIT](https://img.shields.io/badge/ORCID-0000--0003--2631--4481-brightgreen)](https://orcid.org/0000-0003-2631-4481)
 [<img src="https://img.shields.io/static/v1?label=dockerhub&message=images&color=important?style=for-the-badge&logo=docker">](https://hub.docker.com/r/tommonks01/treat_sim)

content/03_stress/05_implementation.md

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-# 5 Implementation
+# 5. Implementation
 
 ## 5.1 Software or programming language
 

content/03_stress/06_code_access.md

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-# 6 Code access
+# 6. Code access
 
 * Simulation model code is available from the main branch of Githib repo: https://github.com/TomMonks/treatment-centre-sim
 * All simulation model code is contained within a Jupyter notebook: https://github.com/TomMonks/treatment-centre-sim/blob/main/src/model.ipynb