From 898a902e6615451c74282ee240ab3dcab7b81ae2 Mon Sep 17 00:00:00 2001
From: Eric Leung <eric@erictleung.com>
Date: Mon, 8 Feb 2016 21:22:37 -0800
Subject: [PATCH] Clarify diff two arrays instructions

- Clarify you want items that are in one but not both arrays
- Add "symmetric difference" terminology for those familiar with it
---
 .../intermediate-bonfires.json                                  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/challenges/01-front-end-development-certification/intermediate-bonfires.json b/challenges/01-front-end-development-certification/intermediate-bonfires.json
index dfbe2a5233..d62675c923 100644
--- a/challenges/01-front-end-development-certification/intermediate-bonfires.json
+++ b/challenges/01-front-end-development-certification/intermediate-bonfires.json
@@ -48,7 +48,7 @@
       "id": "a5de63ebea8dbee56860f4f2",
       "title": "Diff Two Arrays",
       "description": [
-        "Compare two arrays and return a new array with any items only found in one of the original arrays.",
+        "Compare two arrays and return a new array with any items only found in one of the two given arrays, but not both. In other words, return the symmetric difference of the two arrays.",
         "Remember to use <a href='//github.com/FreeCodeCamp/freecodecamp/wiki/How-to-get-help-when-you-get-stuck' target='_blank'>Read-Search-Ask</a> if you get stuck. Try to pair program. Write your own code."
       ],
       "challengeSeed": [