typo

courses/meta/index.html

@@ -5,7 +5,7 @@ permalink: /courses/
 ---
 
 {% assign courses = site.pages | where: "layout", "course" | sort: "title" %}
-The courses given by the KWARC group in the current semesters: {{site.semesters.current}}
+The courses given by the KWARC group in the current semester: {{site.semesters.current}}
 
 
 <ul class="collection">