diff --git a/seed/challenges/advanced-bonfires.json b/seed/challenges/advanced-bonfires.json
index 093580e24f..360d05a52b 100644
--- a/seed/challenges/advanced-bonfires.json
+++ b/seed/challenges/advanced-bonfires.json
@@ -74,10 +74,10 @@
         "  return arr;",
         "}",
         "",
-        "orbitalPeriod([{name : \"sputkin\", avgAlt : 35873.5553}]);"
+        "orbitalPeriod([{name : \"sputnik\", avgAlt : 35873.5553}]);"
       ],
       "tests": [
-        "expect(orbitalPeriod([{name : \"sputkin\", avgAlt : 35873.5553}])).to.eqls([{name: \"sputkin\", orbitalPeriod: 86400}]);",
+        "expect(orbitalPeriod([{name : \"sputnik\", avgAlt : 35873.5553}])).to.eqls([{name: \"sputnik\", orbitalPeriod: 86400}]);",
         "expect(orbitalPeriod([{name: \"iss\", avgAlt: 413.6}, {name: \"hubble\", avgAlt: 556.7}, {name: \"moon\", avgAlt: 378632.553}])).to.eqls([{name : \"iss\", orbitalPeriod: 5557}, {name: \"hubble\", orbitalPeriod: 5734}, {name: \"moon\", orbitalPeriod: 2377399}]);"
       ],
       "MDNlinks": [