From fe7e7c27be7ef1a08e703bbe2994b1930f23fa28 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/seed/challenges/01-front-end-development-certification/intermediate-bonfires.json b/seed/challenges/01-front-end-development-certification/intermediate-bonfires.json
index dfbe2a52334..d62675c923c 100644
--- a/seed/challenges/01-front-end-development-certification/intermediate-bonfires.json
+++ b/seed/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": [