Update part2e.md - makes it clear that it refers to Notes application

All of our applications have been modest in terms of style. I was unsure which application I was meant to be editing. Adding this makes it explicit

Author: domluther

src/content/2/en/part2e.md

@@ -7,7 +7,7 @@ lang: en
 
 <div class="content">
 
-The appearance of our current application is quite modest. In [exercise 0.2](/en/part0/fundamentals_of_web_apps#exercises-0-1-0-6), the assignment was to go through Mozilla's [CSS tutorial](https://developer.mozilla.org/en-US/docs/Learn/Getting_started_with_the_web/CSS_basics).
+The appearance of our current Notes application is quite modest. In [exercise 0.2](/en/part0/fundamentals_of_web_apps#exercises-0-1-0-6), the assignment was to go through Mozilla's [CSS tutorial](https://developer.mozilla.org/en-US/docs/Learn/Getting_started_with_the_web/CSS_basics).
 
 Let's take a look at how we can add styles to a React application. There are several different ways of doing this and we will take a look at the other methods later on. First, we will add CSS to our application the old-school way; in a single file without using a [CSS preprocessor](https://developer.mozilla.org/en-US/docs/Glossary/CSS_preprocessor) (although this is not entirely true as we will learn later on).