Update title of "Real-time estimation..."

Author: christymelucci

content/covid19/_index.md

@@ -69,7 +69,7 @@ streams in tracking the COVID-19 pandemic](https://www.pnas.org/cc/beyond-cases-
 
 More recent work on nowcasting using COVID-19 indicators:
 
-- [Real-time estimation of COVID-19 infections via deconvolution and sensor
+- [Real-time estimation of COVID-19 infections: Deconvolution and sensor
   fusion](https://doi.org/10.1214/22-STS856)
   by Jahja et al.