diff --git a/challenges/01-front-end-development-certification/intermediate-bonfires.json b/challenges/01-front-end-development-certification/intermediate-bonfires.json
index 5df53a4893..e81472a600 100644
--- a/challenges/01-front-end-development-certification/intermediate-bonfires.json
+++ b/challenges/01-front-end-development-certification/intermediate-bonfires.json
@@ -280,6 +280,7 @@
         "Translate the provided string to pig latin.",
         "<a href=\"http://en.wikipedia.org/wiki/Pig_Latin\" target=\"_blank\">Pig Latin</a> takes the first consonant (or consonant cluster) of an English word, moves it to the end of the word and suffixes an \"ay\".",
         "If a word begins with a vowel you just add \"way\" to the end.",
+        "Input strings are guaranteed to be English words in all lowercase.",
         "Remember to use <a href='//github.com/FreeCodeCamp/freecodecamp/wiki/FreeCodeCamp-Get-Help' target='_blank'>Read-Search-Ask</a> if you get stuck. Try to pair program. Write your own code."
       ],
       "challengeSeed": [