diff --git a/tex/rapport.tex b/tex/rapport.tex
index e40904a..22f4567 100644
--- a/tex/rapport.tex
+++ b/tex/rapport.tex
@@ -31,6 +31,19 @@
 \usepackage{capt-of} % \ caption
 \usepackage{listings} % blue typewriter
 %~ \usepackage{fancyvrb} % 
+\usepackage{setspace} % interligne
+
+
+% spacing :
+% \doublespacing
+% \onehalfspacing 
+% \singlespacing
+%\begin{singlespace}
+%
+%\end{singlespace}
+%\begin{spacing}{0.9}
+%
+%\end{spacing}