diff --git a/seed_data/bonfires.json b/seed_data/bonfires.json
index d3207d38f9..24d2813064 100644
--- a/seed_data/bonfires.json
+++ b/seed_data/bonfires.json
@@ -644,7 +644,8 @@
     "difficulty": "3.12",
     "description": [
       "Fill in the object constructor with the methods specified in the tests.",
-      "Those methods are getFirstName(), getLastName(), getFullName(), setFirstName(), setLastName(), and setFullName().",
+      "Those methods are getFirstName(), getLastName(), getFullName(), setFirstName(first), setLastName(last), and setFullName(firstAndLast).",
+      "All functions that take an argument have an arity of 1, and the argument will be a string.",
       "These methods must be the only available means for interacting with the object."
     ],
     "challengeSeed": "var Person = function(firstAndLast) {\n    return firstAndLast;\r\n};\n\nvar bob = new Person('Bob Ross');\nbob.getFullName();",