     @course.prompt_el.find('#course-yes-container').hide()
     @course.prompt_el.find('#course-no').hide()
     @course.prompt_el.find('#course-never').hide()
-    @course.prompt_el.find('#course-message').html "This light curve contains at least one simulated transit, highlighted in red."
+    if @knownPlanetPresent()
+      @course.prompt_el.find('#course-message').html "This light curve contains a known kepler planet. Transits in this quarter (if any) are highlighted in red."
+    else
+      @course.prompt_el.find('#course-message').html "This light curve contains at least one simulated transit, highlighted in red."
 
     return
 

    if @simulationsPresent()
      @evaluateMarks()
      @displayKnownTransits()
    else
      @showSummaryScreen()


    return lengthC/(lengthA+lengthB-lengthC)

  displayKnownTransits: ->
    return unless @simulationsPresent() or @knownPlanetPresent()
    @canvasGraph.disableMarking()
    @hideMarkingButtons()
    @continueButton.show()

    if @knownPlanetPresent()
      @known_transits = @subject.metadata.known_transits


    start_time = Subject.current.selected_light_curve.start_time

    for transit in @known_transits
