diff --git a/pages/teaching/economic-calculus/index.org b/pages/teaching/economic-calculus/index.org
index ff88548..fcc5cf4 100644
--- a/pages/teaching/economic-calculus/index.org
+++ b/pages/teaching/economic-calculus/index.org
@@ -1,4 +1,4 @@
-#+TITLE: Stéphane Adjemian
+#+TITLE: Calcul économique
 #+AUTHOR:    Stéphane Adjemian
 #+EMAIL:     stepan@adjemian.eu
 #+LANGUAGE:  en
@@ -7,7 +7,6 @@
 #+HTML_HEAD: <link rel="stylesheet" type="text/css" href="../../css/stylesheet.css">
 
 #+BEGIN_EXPORT html
-<h1 style="text-align:center"> Calcul économique</h1>
 <ul style="text-align:center; font-size:1.2rem; list-style-type:none; margin:0; padding:0;">
   {<li style="display: inline;"><a href="../../">Home</a></li>,
   <li style="display: inline;"><a href="../"><span style="text-decoration: underline;">Enseignement</span></a></li>,
diff --git a/pages/teaching/growth/index.org b/pages/teaching/growth/index.org
index c0359a3..c7f2c63 100644
--- a/pages/teaching/growth/index.org
+++ b/pages/teaching/growth/index.org
@@ -1,4 +1,4 @@
-#+TITLE: Stéphane Adjemian
+#+TITLE: Croissance
 #+AUTHOR:    Stéphane Adjemian
 #+EMAIL:     stepan@adjemian.eu
 #+LANGUAGE:  en
diff --git a/pages/teaching/time-series/index.org b/pages/teaching/time-series/index.org
index c823b80..f71ea06 100644
--- a/pages/teaching/time-series/index.org
+++ b/pages/teaching/time-series/index.org
@@ -1,4 +1,4 @@
-#+TITLE: Stéphane Adjemian
+#+TITLE: Séries temporelles
 #+AUTHOR:    Stéphane Adjemian
 #+EMAIL:     stepan@adjemian.eu
 #+LANGUAGE:  en