diff --git a/seed_data/challenges.json b/seed_data/challenges.json
index 92b5eb6374c..558174b8f9d 100644
--- a/seed_data/challenges.json
+++ b/seed_data/challenges.json
@@ -418,7 +418,7 @@
"Pair Programming is where two people code together on the same computer. It is an efficient way to collaborate, and widely practiced at software companies. Pair Programming is one of the core concepts of \"Agile\" Software Development, which you will hear more about later.",
"Many people use Skype or Google Hangouts to pair program, but if you talk with professional software engineers, they will tell you that it's not really pair programming unless both people have the ability to use the keyboard and mouse.",
"The most popular tool for pair programming is Screen Hero. Note that Screen Hero isn't free, and isn't yet available for Linux. Screen Hero does come with a 14 day free trial, is free for students, and you can also use it for free if your pair has a 14-day trial or a paid subscription to it. Download Screen Hero here: https://screenhero.com/download.html.",
- "If you are using Linux, or if your 14 day free trial for Screen Hero has expired and you don't want to pay $10 per month for it, go to https://www.freecodecamp.com/pair-program-with-team-viewer.html to learn how to use an alternative (but inferior) tool called Team Viewer.",
+ "If you are using Linux, or if your 14 day free trial for Screen Hero has expired and you don't want to pay $10 per month for it, go to http://www.freecodecamp.com/pair-program-with-team-viewer to learn how to use an alternative (but inferior) tool called Team Viewer.",
"We have a special chat room for people ready to pair program. Go to https://gitter.im/FreeCodeCamp/LetsPair and type \"Hello Pair Programmers!\"",
"If someone is available, they will be your \"pair\" - the person you pair programming with.",
"Private message your pair and ask for the email address he or she used to register Screen Hero.",