add period mark

_pages/about.md

@@ -16,7 +16,7 @@ social: True # includes social icons at the bottom of the page
 
 I am Doron (means gift in Hebrew), a PhD candidate at the [Dana Pe'er Lab](https://www.mskcc.org/research/ski/labs/dana-pe-er) at Memorial Sloan Kettering Cancer Center, through Cornell University's Tri-Institutional PhD program in Computational Biology. My research mainly revovles around optimal transport & spatial transcriptomics. 
 
-Before that, I studied Physics and Electrical Engineering at Technion, and graduated with two degrees in 2018. My undergraduate thesis was published at [ICML2019](https://proceedings.mlr.press/v97/haviv19a.html)
+Before that, I studied Physics and Electrical Engineering at Technion, and graduated with two degrees in 2018. My undergraduate thesis was published at [ICML2019](https://proceedings.mlr.press/v97/haviv19a.html).
 
 Reach me at doron 'dot' haviv12 'at' gmail 'dot' com