diff --git a/challenges/01-front-end-development-certification/basic-bonfires.json b/challenges/01-front-end-development-certification/basic-bonfires.json
index 8bcf140f5b..859042ef88 100644
--- a/challenges/01-front-end-development-certification/basic-bonfires.json
+++ b/challenges/01-front-end-development-certification/basic-bonfires.json
@@ -548,7 +548,8 @@
"assert.deepEqual(chunk([0, 1, 2, 3, 4, 5], 4), [[0, 1, 2, 3], [4, 5]], 'message: chunk([0, 1, 2, 3, 4, 5], 4)
should return [[0, 1, 2, 3], [4, 5]]
.');"
],
"MDNlinks": [
- "Array.push()"
+ "Array.push()",
+ "Array.slice()"
],
"solutions": [
"function chunk(arr, size) {\n var out = [];\n for (var i = 0; i < arr.length; i+=size) {\n out.push(arr.slice(i,i+size));\n }\n return out;\n}\n\nchunk(['a', 'b', 'c', 'd'], 2);\n"