diff --git a/doc/sphinx/source/installation/software/index_software.rst b/doc/sphinx/source/installation/software/index_software.rst
index 84c0f99752..2a99a28a62 100644
--- a/doc/sphinx/source/installation/software/index_software.rst
+++ b/doc/sphinx/source/installation/software/index_software.rst
@@ -20,7 +20,7 @@ If you don't want to work with the latest master branch (it may contain some uns
 ::
 
     cd paparazzi
-    git checkout v6.2
+    git checkout v6.3
 
 
 OS-specific instructions
diff --git a/doc/sphinx/source/quickstart/install.rst b/doc/sphinx/source/quickstart/install.rst
index a74ffbf148..841772f8dc 100644
--- a/doc/sphinx/source/quickstart/install.rst
+++ b/doc/sphinx/source/quickstart/install.rst
@@ -54,7 +54,7 @@ Clone the repository:
 
 .. code-block:: bash
 
-    git checkout -b v6.4 upstream/v6.3
+    git checkout -b v6.3 upstream/v6.3
 
 Get the submodules and build Paparazzi. This step might take a long time the first time you launch it: