diff --git a/page/javascript-101/arrays.md b/page/javascript-101/arrays.md
index 45ccfcb6..7977aa01 100644
--- a/page/javascript-101/arrays.md
+++ b/page/javascript-101/arrays.md
@@ -113,7 +113,7 @@ var wholeArray = myArray.concat( myOtherArray );
 var myArray = [ "hello", "world", "!" ];
 
 console.log( myArray.join(" ") );  // "hello world !";
-console.log( myArray.join() );     // "hello,world,!"
+console.log( myArray.join(",") );     // "hello,world,!"
 console.log( myArray.join("") );   // "helloworld!"
 console.log( myArray.join("!!") ); // "hello!!world!!!";
 ```
@@ -146,10 +146,10 @@ myArray.reverse();
 
 ### `.shift`
 
-Removes the first element of an array. With `.pop` and `.shift`, you can recreate the method of a [queue](http://en.wikipedia.org/wiki/Queue_(data_structure)):
+Removes the first element of an array. With `.push` and `.shift`, you can recreate the method of a [queue](http://en.wikipedia.org/wiki/Queue_(data_structure)):
 
 ```
-// queue with shift() and pop()
+// queue with shift() and push()
 var myArray = [];
 
 myArray.push( 0 ); // [ 0 ]