diff --git a/check_process b/check_process
index 9f03b3e..c38baff 100644
--- a/check_process
+++ b/check_process
@@ -1,9 +1,8 @@
 ;; Test complet
 	; Manifest
 		domain="domain.tld"
-		path="/"
+		path="/path"
 		is_public=1
-		port="9980"
 	; Checks
 		pkg_linter=1
 		setup_sub_dir=0
@@ -14,7 +13,7 @@
 		upgrade=1
 		backup_restore=1
 		multi_instance=1
-		change_url=0
+		change_url=1
 ;;; Options
 Email=
 Notification=none
diff --git a/doc/screenshots/800px-Scratch_3.0_Éditeur.png b/doc/screenshots/800px-Scratch_3.0_Éditeur.png
new file mode 100644
index 0000000..801bad7
Binary files /dev/null and b/doc/screenshots/800px-Scratch_3.0_Éditeur.png differ
diff --git a/manifest.json b/manifest.json
index 9a51a79..6d7c46c 100644
--- a/manifest.json
+++ b/manifest.json
@@ -12,8 +12,7 @@
         "license": "non-free",
         "website": "https://scratch.mit.edu/",
         "demo": "https://demo.example.com",
-        "admindoc": "https://yunohost.org/packaging_apps",
-        "userdoc": "https://yunohost.org/apps",
+        "admindoc": "https://fr.scratch-wiki.info/wiki/Scratch_3.0",
         "code": "https://some.forge.com/example/example"
     },
     "license": "non-free",
@@ -27,7 +26,6 @@
     "multi_instance": true,
     "services": [
         "nginx",
-        "mysql"
     ],
     "arguments": {
         "install": [{
diff --git a/scripts/change_url b/scripts/change_url
new file mode 100644
index 0000000..19501d4
--- /dev/null
+++ b/scripts/change_url
@@ -0,0 +1,105 @@
+#!/bin/bash
+
+#=================================================
+# GENERIC STARTING
+#=================================================
+# IMPORT GENERIC HELPERS
+#=================================================
+
+source _common.sh
+source /usr/share/yunohost/helpers
+
+#=================================================
+# RETRIEVE ARGUMENTS
+#=================================================
+
+old_domain=$YNH_APP_OLD_DOMAIN
+old_path=$YNH_APP_OLD_PATH
+
+new_domain=$YNH_APP_NEW_DOMAIN
+new_path=$YNH_APP_NEW_PATH
+
+app=$YNH_APP_INSTANCE_NAME
+
+#=================================================
+# LOAD SETTINGS
+#=================================================
+ynh_script_progression --message="Loading installation settings..." --time --weight=1
+
+# Needed for helper "ynh_add_nginx_config"
+final_path=$(ynh_app_setting_get --app=$app --key=final_path)
+
+#=================================================
+# BACKUP BEFORE CHANGE URL THEN ACTIVE TRAP
+#=================================================
+ynh_script_progression --message="Backing up the app before changing its URL (may take a while)..." --time --weight=1
+
+# Backup the current version of the app
+ynh_backup_before_upgrade
+ynh_clean_setup () {
+	# Remove the new domain config file, the remove script won't do it as it doesn't know yet its location.
+	ynh_secure_remove --file="/etc/nginx/conf.d/$new_domain.d/$app.conf"
+
+	# Restore it if the upgrade fails
+	ynh_restore_upgradebackup
+}
+# Exit if an error occurs during the execution of the script
+ynh_abort_if_errors
+
+#=================================================
+# CHECK WHICH PARTS SHOULD BE CHANGED
+#=================================================
+
+change_domain=0
+if [ "$old_domain" != "$new_domain" ]
+then
+	change_domain=1
+fi
+
+change_path=0
+if [ "$old_path" != "$new_path" ]
+then
+	change_path=1
+fi
+
+#=================================================
+# MODIFY URL IN NGINX CONF
+#=================================================
+ynh_script_progression --message="Updating NGINX web server configuration..." --weight=1
+
+nginx_conf_path=/etc/nginx/conf.d/$old_domain.d/$app.conf
+
+# Change the path in the NGINX config file
+if [ $change_path -eq 1 ]
+then
+	# Make a backup of the original NGINX config file if modified
+	ynh_backup_if_checksum_is_different --file="$nginx_conf_path"
+	# Set global variables for NGINX helper
+	domain="$old_domain"
+	path_url="$new_path"
+	# Create a dedicated NGINX config
+	ynh_add_nginx_config
+fi
+
+# Change the domain for NGINX
+if [ $change_domain -eq 1 ]
+then
+	# Delete file checksum for the old conf file location
+	ynh_delete_file_checksum --file="$nginx_conf_path"
+	mv $nginx_conf_path /etc/nginx/conf.d/$new_domain.d/$app.conf
+	# Store file checksum for the new config file location
+	ynh_store_file_checksum --file="/etc/nginx/conf.d/$new_domain.d/$app.conf"
+fi
+
+#=================================================
+# RELOAD NGINX
+#=================================================
+ynh_script_progression --message="Reloading NGINX web server..." --weight=1
+
+ynh_systemd_action --service_name=nginx --action=reload
+
+#=================================================
+# END OF SCRIPT
+#=================================================
+
+ynh_script_progression --message="Change of URL completed for $app" --last