Add explanation for incrementing count variable by 1 after initialization.

Author: HoussamLh

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

@@ -4,4 +4,4 @@ count = count + 1;
 
 //
 // Line 1 is a variable declaration, creating the count variable with an initial value of 0
-// Line 3 Take the current value of count, and then add 1, and store the result back in count .
+// Line 3 Take the current value of count, and then add 1, and store the result back in count.