fixed a problem in the new syllabus

index.md

@@ -277,6 +277,7 @@ view your progress on each competency in Canvas (Excellent is called
 "Mastery" there). **Open up the category to see individual
 competencies; and click on the competency to see details on whether
 you are "competent" or "excellent"**.
+{% enddetails %}
 
 {% details What else will impact my grade? %}