diff --git a/seed/challenges/basic-javascript.json b/seed/challenges/basic-javascript.json
index 3416cd2240..1096e02868 100644
--- a/seed/challenges/basic-javascript.json
+++ b/seed/challenges/basic-javascript.json
@@ -924,7 +924,7 @@
       "title": "Generate Random Whole Numbers within a Range",
       "difficulty":"9.9829",
       "description":[
-        "We can use a certain mathematical expression to get a random number between between two numbers.",
+        "We can use a certain mathematical expression to get a random number between two numbers.",
         "<code>Math.floor(Math.random() * (max - min + 1)) + min</code>",
         "By using this we can control the output of a random number."
       ],