make an adjustment to a confusing sentence

"Button for defining the buttons used for submitting feedback" is very confusing. Add a clear sentence that describes goal expect to accomplish.

Author: Liono87

src/content/1/en/part1d.md

@@ -1239,7 +1239,8 @@ Change your application to display statistics only once feedback has been gather
 
 Let's continue refactoring the application. Extract the following two components:
 
-- <i>Button</i> for defining the buttons used for submitting feedback
+- <i>Button</i> Handles the functionality of each feedback submission button.
+
 - <i>StatisticLine</i> for displaying a single statistic, e.g. the average score.
 
 To be clear: the <i>StatisticLine</i> component always displays a single statistic, meaning that the application uses multiple components for rendering all of the statistics: