diff --git a/seed_data/bonfires.json b/seed_data/bonfires.json
index 277f014e94..04116d840b 100644
--- a/seed_data/bonfires.json
+++ b/seed_data/bonfires.json
@@ -351,7 +351,8 @@
       "Perform a search and replace on the sentence using the arguments provided and return the new sentence.",
       "First argument is the sentence the perform the search and replace on.",
       "Second argument is the word that you will be replacing (before).",
-      "Third argument is what you will be replacing the second argument with (after)."
+      "Third argument is what you will be replacing the second argument with (after).",
+      "NOTE: Preserve the case of the original word when you are replacing it. For example if you mean to replace the word 'Book' with the word 'dog', it should be replaced as 'Dog'"
     ],
     "challengeSeed": "function replace(str, before, after) {\n return str;\r\n}\n\nreplace(\"A quick brown fox jumped over the lazy dog\", \"jumped\", \"leaped\");",
     "MDNlinks" : ["Array.splice()", "String.replace()", "Array.join()"]