fixed grammar error

Author: bl-freeman

_data/people.yml

@@ -73,7 +73,7 @@ current:
         Currently, I'm looking at abrupt winter sea ice loss in the 
         Arctic in high-emissions projections. My aim is to characterize 
         the temporal and spatial properties of these and identify 
-        possible catalysts. Apart from science, I enjoy playing video games, 
+        possible catalysts. Apart from science, I enjoy video games, 
         horror movies, and escape rooms.