diff --git a/app/templates/courses/mock1/courses.jade b/app/templates/courses/mock1/courses.jade
index 986dbe928..2fd547b8d 100644
--- a/app/templates/courses/mock1/courses.jade
+++ b/app/templates/courses/mock1/courses.jade
@@ -29,7 +29,7 @@ block content
                         each inst in instances
                           option= inst.name
                     .col-md-4
-                      button.btn.btn-success.btn-enter(data-course-id="#{courseID}") Enter
+                      button.btn.btn-success.btn-enter Enter
           .row.button-row.center.row-pick-class
             .col-md-12
               div.or Or
@@ -43,13 +43,13 @@ block content
                     .col-md-8
                       input.code-input(type='text', placeholder="Enter unlock code")
                     .col-md-4
-                      button.btn.btn-success.btn-enroll(data-course-id="#{courseID}") Enroll
+                      button.btn.btn-success.btn-enroll Enroll
           .row.button-row.center
             .col-md-12
               div.or Or
           .row.button-row.center
             .col-md-12
-              button.btn.btn-success.btn-lg.btn-buy(data-course-id="#{courseID}") Buy this course
+              button.btn.btn-success.btn-lg.btn-buy Buy this course
 
   h1.center Courses on CodeCombat
 
diff --git a/app/views/courses/mock1/CoursesView.coffee b/app/views/courses/mock1/CoursesView.coffee
index b6f49c607..3d6549b7b 100644
--- a/app/views/courses/mock1/CoursesView.coffee
+++ b/app/views/courses/mock1/CoursesView.coffee
@@ -51,6 +51,10 @@ module.exports = class CoursesView extends RootView
     $('#continueModal').find('.btn-enroll').data('course-id', courseID)
     $('#continueModal').find('.btn-enter').data('course-id', courseID)
     $('#continueModal .row-pick-class').show() if @courses[courseID]?.unlocked
+    if courseTitle is 'Introduction to Computer Science'
+      $('#continueModal .btn-buy').prop('innerText', 'Get this FREE course!')
+    else
+      $('#continueModal .btn-buy').prop('innerText', 'Buy this course')
 
   onClickEnroll: (e) ->
     $('#continueModal').modal('hide')