Adding two comments to describe line 3

Author: Alaa-Tagi

Sprint-1/1-key-exercises/1-count.js

@@ -4,3 +4,6 @@ count = count + 1;
 
 // Line 1 is a variable declaration, creating the count variable with an initial value of 0
 // Describe what line 3 is doing, in particular focus on what = is doing
+
+// Line 3 is changing the value of the count variable by increasing 1 to its current value.
+// The = operator is used to assign the new value back to the count variable.