minor update in people

Author: andreacini

_data/people.yml

@@ -31,7 +31,7 @@
   surname: Cini
   group: team
   role: Post-doc Researcher
-  description: Machine learning for time series forecasting and graph processing.
+  description: His research focuses on machine learning methods for time series analysis and graph processing.
   links:
     website: https://andreacini.github.io/
     github: andreacini