Update exercises/square-root/introduction.md

Co-authored-by: Victor Goff <[email protected]>

Author: xanni

exercises/square-root/introduction.md

@@ -2,7 +2,7 @@
 
 We are launching a deep space exploration rocket and we need a way to make sure the navigation system stays on target.
 
-The first step in our coordinate calculation involves taking a number as input and finding another number which multiplied by itself will equal our input number, or in other words, finding the square root of our input number.
+As the first step in our calculation, we take a number and find its square root—that is, the number that, when multiplied by itself, equals the given number.
 
 The journey will be very long.
 To make the batteries last as long as possible, we had to make our rocket’s onboard computer very power efficient.