diff --git a/seed/challenges/01-front-end-development-certification/basic-javascript.json b/seed/challenges/01-front-end-development-certification/basic-javascript.json
index 0a01898bba..44b6794320 100644
--- a/seed/challenges/01-front-end-development-certification/basic-javascript.json
+++ b/seed/challenges/01-front-end-development-certification/basic-javascript.json
@@ -1486,7 +1486,7 @@
       "id": "cf1111c1c11feddfaeb8bdef",
       "title": "Modify Array Data With Indexes",
       "description": [
-        "Unlike strings, the contents of arrays can are <dfn>mutable</dfn> and can be freely changed.",
+        "Unlike strings, the entries of arrays are <dfn>mutable</dfn> and can be changed freely.",
         "For example:",
         "<code>var ourArray = [3,2,1];</code>",
         "<code>ourArray[0] = 1; // equals [1,2,1]</code>",