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foundations/installations/how_does_the_web_work.md

@@ -17,17 +17,19 @@ This section contains a general overview of topics that you will learn in this l
 ### Assignment
 
 <div class="lesson-content__panel" markdown="1">
+
   1. Watch this BBC short for an [overview of how the internet works](https://www.youtube.com/watch?v=eHp1l73ztB8).
   1. Read this [Mozilla article on "How does the internet work?"](https://developer.mozilla.org/en-US/Learn/Common_questions/How_does_the_Internet_work).
   1. Watch [How the Internet Works in 5 Minutes](https://youtu.be/7_LPdttKXPc?t=46s).
   1. Read up on the [differences between a web page, a web server, and a search engine](https://developer.mozilla.org/en-US/Learn/Common_questions/Pages_sites_servers_and_search_engines).
   1. Watch this [Google short explaining what a web browser is](https://youtu.be/BrXPcaRlBqo). Then, use this site to [find out your current web browser and version](https://www.whatsmybrowser.org/).
   1. Read about [how different parts of the web interact with each other](https://developer.mozilla.org/en-US/Learn/Getting_started_with_the_web/How_the_Web_works#Clients_and_servers) and read this [MDN article about how a DNS request works](https://developer.mozilla.org/en-US/docs/Learn/Common_questions/Web_mechanics/What_is_a_domain_name#how_does_a_dns_request_work). Alternatively, here is a [video about how a DNS request works](https://www.youtube.com/watch?v=72snZctFFtA&t=45s).
-</div> 
+
+</div>
 
 ### Knowledge check
 
-This section contains questions for you to check your understanding of this lesson on your own. If you’re having trouble answering a question, click it and review the material it links to.
+The following questions are an opportunity to reflect on key topics in this lesson. If you can't answer a question, click on it to review the material, but keep in mind you are not expected to memorize or master this knowledge.
 
 - [What is a web server?](https://developer.mozilla.org/en-US/docs/Learn/Common_questions/Pages_sites_servers_and_search_engines)
 - [What is a network?](https://developer.mozilla.org/en-US/docs/Learn/Common_questions/How_does_the_Internet_work)
@@ -43,11 +45,11 @@ This section contains questions for you to check your understanding of this less
 - [What is a search engine?](https://developer.mozilla.org/en-US/docs/Learn/Common_questions/Pages_sites_servers_and_search_engines)
 - [What is a DNS request?](https://www.youtube.com/watch?v=72snZctFFtA&t=45s)
 - [Which browser are you currently using?](https://www.whatsmybrowser.org/)
-- [In your own words, describe the process that takes place when you initiate a search on google.com in terms of what we discussed on this section.](https://developer.mozilla.org/en-US/docs/Learn/Common_questions/Pages_sites_servers_and_search_engines)
+- [In your own words, describe the process that takes place when you initiate a search on google.com in terms of what we discussed.](https://developer.mozilla.org/en-US/docs/Learn/Common_questions/Pages_sites_servers_and_search_engines)
 
 ### Additional resources
 
-This section contains helpful links to other content. It isn't required, so consider it supplemental.
+This section contains helpful links to related content. It isn't required, so consider it supplemental.
 
 - Listen to [part 1 of the podcast "How the web works"](https://twit.tv/shows/security-now/episodes/25?autostart=false) (starts around 8:30) and [part 2 of "How the web works"](https://twit.tv/shows/security-now/episodes/26?autostart=false) by Security Now.
 - Watch ["A Packet's Tale" - a video about how data travels across the internet](https://www.youtube.com/watch?v=ewrBalT_eBM).