diff --git a/content/teaching/_index.md b/content/teaching/_index.md
index 94026bf..39c51d9 100644
--- a/content/teaching/_index.md
+++ b/content/teaching/_index.md
@@ -6,3 +6,7 @@ sort_by = "date"
 +++
 
 # Teaching
+
+This page presents a list of the classes I gave as a teacher or as a teaching
+assistant. As they are mostly intended for the student of these past courses,
+the full page and summary are in the corresponding language of the class.