diff --git a/doc/DISCLAIMER.md b/doc/DISCLAIMER.md
index 8b1ef91..187397c 100644
--- a/doc/DISCLAIMER.md
+++ b/doc/DISCLAIMER.md
@@ -1,3 +1,7 @@
 ## Configuration
 
 You can configure Invidious by modifying the configuration file `/var/www/invidious/config/config.yml` with the help of this [documentation](https://github.com/iv-org/documentation/blob/master/Configuration.md).
+
+## Limitations
+
+* Invidious needs more than 2GB of RAM to build.
\ No newline at end of file
diff --git a/doc/DISCLAIMER_fr.md b/doc/DISCLAIMER_fr.md
index 0a84926..d6ceff2 100644
--- a/doc/DISCLAIMER_fr.md
+++ b/doc/DISCLAIMER_fr.md
@@ -1,3 +1,7 @@
 ## Configuration
 
 Vous pouvez configurer Invidious en modifiant le fichier de configuration `/var/www/invidious/config/config.yaml` avec l'aide de cette [documentation](https://github.com/iv-org/documentation/blob/master/Configuration.md).
+
+## Limitations
+
+* Invidious a besoin de plus de 3Go de RAM pour être installé.
\ No newline at end of file
diff --git a/scripts/upgrade b/scripts/upgrade
index 6c7cf4a..bad4e37 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -81,6 +81,7 @@ ynh_script_progression --message="Upgrading dependencies..." --weight=8
 
 ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
 
+
 tempdir="$(mktemp -d)"
 ynh_setup_source --dest_dir=$tempdir --source_id=crystal
 ynh_exec_warn_less dpkg -i $tempdir/crystal_1.0.0-1_amd64.deb