Add comment to clarify parameter usage in square function

Author: moses77-boop

Sprint-3/1-key-errors/2.js

@@ -1,6 +1,6 @@
 
 // Predict and explain first BEFORE you run any code...
-
+// The parameter is written as a value instead of a variable name
 // this function should square any number but instead we're going to get an error
 
 // =============> write your prediction of the error here