Update README.md

README.md

 # Journal of Digital History Author's Repository
 
-[![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/C2DH/template_repo_JDH/main?filepath=author_guideline_template.ipynb)
+[![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/C2DH/template_repo_JDH/main?filepath=article.ipynb)
 
 This repository serves as a resource for authors submitting articles to the [Journal of Digital History](https://journalofdigitalhistory.org).
 It contains a Jupyter notebook that provides an example and a simple structure that can be used to write articles for the journal.