Update download.md

Fix citation formatting.

Author: vaughnbetz

_pages/download.md

@@ -31,17 +31,17 @@ How to Cite
 ===========
 The following [paper](https://dl.acm.org/doi/10.1145/3734798) may be used as a general citation for VTR (bibtex format):
 
-@article{vtr9,
-     author = {Elgammal, Mohamed A. and Mohaghegh, Amin and Shahrouz, Soheil Gholami and Mahmoudi, Fatemehsadat and Ko\c{s}ar, Fahrican and Talaei, Kimia and Fife, Joshua and Khadivi, Daniel and Murray, Kevin and Boutros, Andrew and Kent, Kenneth B. and Goeders, Jeff and Betz, Vaughn},
-     title = {VTR 9: Open-Source CAD for Fabric and Beyond FPGA Architecture Exploration},
-     year = {2025},
-     publisher = {Association for Computing Machinery},
-     address = {New York, NY, USA},
-     url = {https://doi.org/10.1145/3734798},
-     doi = {10.1145/3734798},
-     journal = {ACM Trans. Reconfigurable Technol. Syst.},
-     month = May
-}
+     @article{vtr9,
+         author = {Elgammal, Mohamed A. and Mohaghegh, Amin and Shahrouz, Soheil Gholami and Mahmoudi, Fatemehsadat and Ko\c{s}ar, Fahrican and Talaei, Kimia and Fife, Joshua and Khadivi, Daniel and Murray, Kevin and Boutros, Andrew and Kent, Kenneth B. and Goeders, Jeff and Betz, Vaughn},
+         title = {VTR 9: Open-Source CAD for Fabric and Beyond FPGA Architecture Exploration},
+         year = {2025},
+         publisher = {Association for Computing Machinery},
+         address = {New York, NY, USA},
+         url = {https://doi.org/10.1145/3734798},
+         doi = {10.1145/3734798},
+         journal = {ACM Trans. Reconfigurable Technol. Syst.},
+         month = May
+    }
 
 License
 =======