Arrays and Loops: Remove wording about skimming (#28994)

foundations/javascript_basics/arrays_and_loops.md

@@ -26,7 +26,7 @@ Strings and numbers may be our building blocks, but as your scripts get more com
 Computers don't get tired, and they're really, *really* fast! For that reason, they are well suited to solving problems that involve doing calculations multiple times. In some cases, a computer will be able to repeat a task *thousands* or even *millions* of times in just a few short seconds where it might take a human many hours. \(Obviously, speed here depends on the complexity of the calculation and the speed of the computer itself\). One way to make a computer do a repetitive task is using a **loop**.
 
 1. Read [MDN's Looping Code](https://developer.mozilla.org/en-US/docs/Learn/JavaScript/Building_blocks/Looping_code). It's a longer one, but make sure you tackle the 'Active Learning' sections at the bottom of the page.
-1. Once again, same info, slightly different context from [JavaScript.info's "Loops: While and For"](http://javascript.info/while-for). \(Skim the info if you think you know it all, but **don't forget the tasks at the end of the page**. You learn best by *doing*.\)
+1. Once again, same info, slightly different context from [JavaScript.info's "Loops: While and For"](http://javascript.info/while-for). Be sure to do the exercises at the end of the page. You learn best by doing.
 
 ### Test Driven Development