Update README.md

README.md

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 **PREP-SHOT** (**P**athways for **R**enewable **E**nergy **P**lanning coupling **S**hort-term **H**ydropower **O**pera**T**ion) is a transparent, modular, and open-source energy expansion model, offering advanced solutions for multi-scale, intertemporal, and cost-effective expansion of energy systems and transmission lines. It's developed by [Zhanwei Liu](https://www.researchgate.net/profile/Zhanwei-Liu-4) and [Xiaogang He](http://hydro.iis.u-tokyo.ac.jp/~hexg/) from the [PREP-NexT](https://github.com/PREP-NexT) Lab at the [National University of Singapore](https://nus.edu.sg/).
 
-For more information, please visit our [Official Documentation](https://prep-next.github.io/PREP-SHOT/).
+For more information, please visit the [Official Documentation](https://prep-next.github.io/PREP-SHOT/).
 
 This project is licensed under the [GNU General Public License 3.0](https://github.com/PREP-NexT/PREP-SHOT/blob/main/LICENSE).
 
@@ -98,12 +98,12 @@ Please use the GitHub Issues for public discussions related to bugs, enhancement
 
 ## Roadmap
 
-+ `Benders` decomposition-based fast solution framework
-+ `JuMP`-based low-memory and fast modelling engine
-+ Support for input of cost–supply curves of technologies
-+ Support for expanding conventional hydropower plants
-+ Support for refurbishing conventional hydropower plants to pumped-storage schemes
-+ Support for refurbishing carbon-emission plants to carbon capture and storage (CCS) schemes
+- [x] `Benders` decomposition-based fast solution framework
+- [x] `JuMP`-based low-memory and fast modelling engine
+- [x] Support for input of cost–supply curves of technologies
+- [x] Support for expanding conventional hydropower plants
+- [x] Support for refurbishing conventional hydropower plants to pumped-storage schemes
+- [x] Support for refurbishing carbon-emission plants to carbon capture and storage (CCS) schemes
 
 ## Disclaimer