Trivial fixing of comments

Author: SaintGimp

topics/about_functions_and_closure.js

@@ -37,6 +37,7 @@ test("arguments array", function() {
         var total = 0;
         for(var i = 0; i < arguments.length; i++) {
             // complete the implementation of this method so that it returns the sum of its arguments
+            // __
         }
         // __
     };

topics/about_prototypal_inheritance.js

@@ -34,7 +34,8 @@ test("calling functions added to a prototype after an object was created", funct
     Mammal.prototype.numberOfLettersInName = function() {
         return this.name.length;
     };
-    // for the following statement asks the paul object to call a function that was added to the Mammal prototype after paul was constructed.
+    // the following statement asks the paul object to call a function that was added
+    // to the Mammal prototype after paul was constructed.
     equals(paul.numberOfLettersInName(), __, "how long is Paul's name?");
 });