diff --git a/index_en.markdown b/index_en.markdown
index b2cc705..86317f9 100644
--- a/index_en.markdown
+++ b/index_en.markdown
@@ -19,8 +19,8 @@ to the Keller-Segel model.
 in preparations
 
 # Teaching (in french)
-* [Linear algebra 2nd year](enseignement/algebre.html)
-* [Numerical optimisation](enseignement/optimisation.html)
+* [Linear algebra (2nd year)](enseignement/algebre.html)
+* [Numerical optimisation (3rd year)](enseignement/optimisation.html)
 
 # Curriculum vitæ
 * [English](/files/cv.pdf)