diff --git a/index_installation.rst b/index_installation.rst
index c5cd2cf8c781c5a656786a6573c09249f3288b4b..cf51b563b206ee8a52f82b57d30af0f1c06df714 100644
--- a/index_installation.rst
+++ b/index_installation.rst
@@ -1,7 +1,7 @@
-Installation 
-===========
+Installation
+=============
 
 .. toctree::
    :maxdepth: 2
 
-    bienvenue
\ No newline at end of file
+   bienvenue