Small grammar fix

Author: Videocard

en/how_the_internet_works/README.md

@@ -41,7 +41,7 @@ Instead of addresses with a street name, city, zip code and country name, we use
 
 When you send a letter, it needs to have certain features to be delivered correctly: an address, stamp etc. You also use a language that the receiver understands, right? The same applies to the *data packets* you send to see a website. We use a protocol called HTTP (Hypertext Transfer Protocol).
 
-So, basically, when you have a website, you need to have a *server* (machine) where it lives. When the *server* receives an incoming *request*, (in a letter) it sends back your website (in another letter).
+So, basically, when you have a website, you need to have a *server* (machine) where it lives. When the *server* receives an incoming *request* (in a letter), it sends back your website (in another letter).
 
 Since this is a Django tutorial, you will ask what Django does. When you send a response, you don't always want to send the same thing to everybody. It is so much better if your letters are personalized, especially for the person that has just written to you, right? Django helps you with creating these personalized, interesting letters :).