diff --git a/intro/ttnn.cls b/intro/ttnn.cls
index 66d716d..95aad2b 100644
--- a/intro/ttnn.cls
+++ b/intro/ttnn.cls
@@ -119,23 +119,25 @@
   \begin{center}%
   \let \footnote \thanks
     {\huge\bfseries\sffamily\color{jresblue} \@title \par}%
-  \end{center}
-  \begin{flushleft}
-    \vskip 8mm%
-    \DTLforeach{auteurs}{%
-      \@nom=nom}{%
-    \vskip 3mm
-    {\noindent\sffamily\large\bfseries\color{jresblue} \@nom\\}%
-    \par}
-  \end{flushleft}%
+    {\Large\sffamily\color{jresblue}
+      \lineskip .5em%
+      \begin{tabular}[t]{c}%
+        \@author
+      \end{tabular}\par}%
+    \vskip 1em%
+    {\large\sffamily\color{jresblue} \@date}%
+  \par
+  \end{center}%
+  \vskip 1.5em
 }
+
 % Date vide
 \date{}
 %
 \renewenvironment{abstract}{%
   \vskip 10pt
   \noindent
-  {\Large\sffamily\color{jresblue}\textbf{R\'esum\'e}}\par\begin{itshape}}%
+  \begin{itshape}}%
   {\end{itshape}\par}
 %
 \newcommand{\motscles}[1]{%