Correct README.md

Author: drpatelh

README.md

@@ -62,7 +62,7 @@ Many thanks to others who have helped out along the way too, including (but not
 
 ## Citation
 
-<!-- If you use nf-core/chipseq for your analysis, please cite it using the following doi: [10.5281/zenodo.XXXXXXX](https://doi.org/10.5281/zenodo.XXXXXXX)
+<!-- If you use nf-core/chipseq for your analysis, please cite it using the following doi: [10.5281/zenodo.XXXXXXX](https://doi.org/10.5281/zenodo.XXXXXXX) -->
 
 You can cite the `nf-core` pre-print as follows:  
 Ewels PA, Peltzer A, Fillinger S, Alneberg JA, Patel H, Wilm A, Garcia MU, Di Tommaso P, Nahnsen S. **nf-core: Community curated bioinformatics pipelines**. *bioRxiv*. 2019. p. 610741. [doi: 10.1101/610741](https://www.biorxiv.org/content/10.1101/610741v1).