diff --git a/manifest.json b/manifest.json
index 9ad34b1..d2972a1 100644
--- a/manifest.json
+++ b/manifest.json
@@ -12,7 +12,7 @@
 	"url": "https://www.transmissionbt.com/",
 	"license": " GPL-3.0",
 	"maintainer": {
-		"name": "Groupe Apps",
+		"name": "Apps Group",
 		"email": "apps_group@yunohost.org"
 	},
 	"multi_instance": false,
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 568300f..79cee95 100755
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -1,5 +1,19 @@
 #!/bin/bash
 
+#=================================================
+# YUNOHOST MULTIMEDIA INTEGRATION
+#=================================================
+
+ynh_multimedia_build_main_dir () {
+	wget -qq https://github.com/YunoHost-Apps/yunohost.multimedia/archive/master.zip
+	unzip -qq master.zip
+	sudo ./yunohost.multimedia-master/script/ynh_media_build.sh
+}
+
+ynh_multimedia_addfolder () {
+	sudo ./yunohost.multimedia-master/script/ynh_media_addfolder.sh --source="$1" --dest="$2"
+}
+
 #=================================================
 #=================================================
 # TESTING
diff --git a/scripts/install b/scripts/install
index aee1c10..5e6faa6 100644
--- a/scripts/install
+++ b/scripts/install
@@ -65,6 +65,7 @@ ynh_package_install transmission-daemon
 #=================================================
 
 # Add a "/" at the end of path_url for next commands
+# To avoid a double / in the nginx config file.
 [ "$path_url" = "/" ] || path_url=${path_url}/
 ynh_nginx_config
 
@@ -112,15 +113,13 @@ ynh_store_file_checksum /etc/transmission-daemon/settings.json
 # YUNOHOST MULTIMEDIA INTEGRATION
 #=================================================
 
-wget -qq https://github.com/YunoHost-Apps/yunohost.multimedia/archive/master.zip
-unzip -qq master.zip
-sudo ./yunohost.multimedia-master/script/ynh_media_build.sh
+ynh_multimedia_build_main_dir
 # Set rights on transmission directory (parent need to be readable by other, and progress need to be writable by multimedia. Because files will move)
-sudo ./yunohost.multimedia-master/script/ynh_media_addfolder.sh --source="/home/yunohost.transmission" --dest="share/Torrents"
+ynh_multimedia_addfolder "/home/yunohost.transmission" "share/Torrents"
 # And share completed directory
-sudo ./yunohost.multimedia-master/script/ynh_media_addfolder.sh --source="/home/yunohost.transmission/completed" --dest="share/Torrents"
+ynh_multimedia_addfolder "/home/yunohost.transmission/completed" "share/Torrents"
 # Share also watched directory, to allow to use it easily
-sudo ./yunohost.multimedia-master/script/ynh_media_addfolder.sh --source="/home/yunohost.transmission/watched" --dest="share/Torrent to download"
+ynh_multimedia_addfolder "/home/yunohost.transmission/watched" "share/Torrent to download"
 
 #=================================================
 # PATCH SOURCE TO ADD A DOWNLOAD BUTTON
diff --git a/scripts/restore b/scripts/restore
index 56240c1..66acbdf 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -98,15 +98,13 @@ ynh_app_setting_delete $app backup_core_only # Retire l'option backup_core_only
 # YUNOHOST MULTIMEDIA INTEGRATION
 #=================================================
 
-wget -qq https://github.com/YunoHost-Apps/yunohost.multimedia/archive/master.zip
-unzip -qq master.zip
-sudo ./yunohost.multimedia-master/script/ynh_media_build.sh
+ynh_multimedia_build_main_dir
 # Set rights on transmission directory (parent need to be readable by other, and progress need to be writable by multimedia. Because files will move)
-sudo ./yunohost.multimedia-master/script/ynh_media_addfolder.sh --source="/home/yunohost.transmission" --dest="share/Torrents"
+ynh_multimedia_addfolder "/home/yunohost.transmission" "share/Torrents"
 # And share completed directory
-sudo ./yunohost.multimedia-master/script/ynh_media_addfolder.sh --source="/home/yunohost.transmission/completed" --dest="share/Torrents"
+ynh_multimedia_addfolder "/home/yunohost.transmission/completed" "share/Torrents"
 # Share also watched directory, to allow to use it easily
-sudo ./yunohost.multimedia-master/script/ynh_media_addfolder.sh --source="/home/yunohost.transmission/watched" --dest="share/Torrent to download"
+ynh_multimedia_addfolder "/home/yunohost.transmission/watched" "share/Torrent to download"
 
 #=================================================
 # ENABLE SERVICE IN ADMIN PANEL
diff --git a/scripts/upgrade b/scripts/upgrade
index fca831d..4f6bd16 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -57,6 +57,7 @@ path_url=$(ynh_normalize_url_path $path_url)	# Vérifie et corrige la syntaxe du
 #=================================================
 
 # Add a "/" at the end of path_url for next commands
+# To avoid a double / in the nginx config file.
 [ "$path_url" = "/" ] || path_url=${path_url}/
 ynh_nginx_config
 
@@ -107,15 +108,13 @@ ynh_store_file_checksum /etc/transmission-daemon/settings.json
 # YUNOHOST MULTIMEDIA INTEGRATION
 #=================================================
 
-wget -qq https://github.com/YunoHost-Apps/yunohost.multimedia/archive/master.zip
-unzip -qq master.zip
-sudo ./yunohost.multimedia-master/script/ynh_media_build.sh
+ynh_multimedia_build_main_dir
 # Set rights on transmission directory (parent need to be readable by other, and progress need to be writable by multimedia. Because files will move)
-sudo ./yunohost.multimedia-master/script/ynh_media_addfolder.sh --source="/home/yunohost.transmission" --dest="share/Torrents"
+ynh_multimedia_addfolder "/home/yunohost.transmission" "share/Torrents"
 # And share completed directory
-sudo ./yunohost.multimedia-master/script/ynh_media_addfolder.sh --source="/home/yunohost.transmission/completed" --dest="share/Torrents"
+ynh_multimedia_addfolder "/home/yunohost.transmission/completed" "share/Torrents"
 # Share also watched directory, to allow to use it easily
-sudo ./yunohost.multimedia-master/script/ynh_media_addfolder.sh --source="/home/yunohost.transmission/watched" --dest="share/Torrent to download"
+ynh_multimedia_addfolder "/home/yunohost.transmission/watched" "share/Torrent to download"
 
 #=================================================
 # PATCH SOURCE TO ADD A DOWNLOAD BUTTON