diff --git a/check_process b/check_process
index e6be363..51f94f3 100644
--- a/check_process
+++ b/check_process
@@ -11,15 +11,13 @@
 		setup_private=1
 		setup_public=1
 		upgrade=1
-		#upgrade=1	from_commit=20435c4d005d7abffc45db4eac3d3e9492302c21
+		# 20200916~ynh5
+		upgrade=1	from_commit=20435c4d005d7abffc45db4eac3d3e9492302c21
+		# 20220606~ynh1
+		upgrade=1	from_commit=009f956487d1580b71a2bd250418854d8e094185
 		backup_restore=1
 		multi_instance=1
 		change_url=1
 ;;; Options
 Email=
 Notification=none
-;;; Upgrade options
-	; commit=20435c4d005d7abffc45db4eac3d3e9492302c21
-		name=Testing (#105)
-		manifest_arg=domain=DOMAIN&path=PATH&admin=USER&language=fr&is_public=1&password=pass&port=666&
-
diff --git a/conf/nginx.conf b/conf/nginx.conf
index 549b52a..d9fdc4e 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -2,7 +2,7 @@
 location __PATH__/ {
 
   # Path to source
-  alias __FINALPATH__/ ;
+  alias __FINALPATH__/;
 
   index index.php;
 
diff --git a/doc/DESCRIPTION.md b/doc/DESCRIPTION.md
index 096d180..f991f15 100644
--- a/doc/DESCRIPTION.md
+++ b/doc/DESCRIPTION.md
@@ -8,4 +8,4 @@ Tiny Tiny RSS is a free and open source web-based news feed (RSS/Atom) reader an
 - sharing arbitrary content through tt-rss,
 - Plugins and themes,
 - podcasts,
-- flexible article filtering
\ No newline at end of file
+- flexible article filtering
diff --git a/doc/DESCRIPTION_fr.md b/doc/DESCRIPTION_fr.md
index 71597d8..9bc5688 100644
--- a/doc/DESCRIPTION_fr.md
+++ b/doc/DESCRIPTION_fr.md
@@ -1 +1,11 @@
-Tiny Tiny RSS est un lecteur et agrégateur de flux d'actualités (RSS/Atom) en ligne gratuit et open source.
+Tiny Tiny RSS est un lecteur et agrégateur de flux de nouvelles (RSS/Atom) basé sur le web, gratuit et à code source ouvert.
+
+## Caractéristiques
+
+- agrégation / syndication de flux,
+- importation/exportation OPML,
+- plusieurs façons de partager du contenu : exportation de flux RSS, plugins pour divers sites sociaux, partage par URL, etc,
+- partage de contenu arbitraire via tt-rss,
+- plugins et thèmes,
+- podcasts,
+- filtrage flexible des articles
diff --git a/doc/DISCLAIMER_fr.md b/doc/DISCLAIMER_fr.md
new file mode 100644
index 0000000..8efb3b1
--- /dev/null
+++ b/doc/DISCLAIMER_fr.md
@@ -0,0 +1,4 @@
+### Default login credentials
+
+- Username: `admin`
+- password: `password`
\ No newline at end of file
diff --git a/manifest.json b/manifest.json
index 3f464e2..a6223d6 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,51 +1,51 @@
 {
-  "name": "Tiny Tiny RSS",
-  "id": "ttrss",
-  "packaging_format": 1,
-  "description": {
-    "en": "News feed (RSS/Atom) reader and aggregator",
-    "fr": "Lecteur de flux d’actualité utilisant les protocoles RSS et Atom"
-  },
-  "version": "20220626~ynh1",
-  "url": "http://tt-rss.org",
-  "upstream": {
+    "name": "Tiny Tiny RSS",
+    "id": "ttrss",
+    "packaging_format": 1,
+    "description": {
+        "en": "News feed (RSS/Atom) reader and aggregator",
+        "fr": "Lecteur de flux d’actualité utilisant les protocoles RSS et Atom"
+    },
+    "version": "20220626~ynh1",
+    "url": "http://tt-rss.org",
+    "upstream": {
         "license": "GPL-3.0-only",
-        "website": "http://tt-rss.org",
+        "website": "https://tt-rss.org",
         "demo": "https://srv.tt-rss.org/tt-rss/",
-        "admindoc": "https://git.tt-rss.org/git/tt-rss/wiki",
+        "admindoc": "https://tt-rss.org/wiki.php",
         "code": "https://git-gitea.tt-rss.org/fox/tt-rss"
     },
-  "license": "GPL-3.0-only",
-  "maintainer": {
-    "name": "",
-    "email": ""
-  },
-  "requirements": {
-    "yunohost": ">= 4.3.0"
-  },
-  "multi_instance": true,
-  "services": [
-      "nginx",
-      "php8.0-fpm",
-      "mysql"
-  ],
-  "arguments": {
-    "install" : [
-      {
-        "name": "domain",
-        "type": "domain"
-      },
-      {
-        "name": "path",
-        "type": "path",
-        "example": "/ttrss",
-        "default": "/ttrss"
-        },
-      {
-        "name": "is_public",
-        "type": "boolean",
-        "default": true
-      }
-    ]
-  }
+    "license": "GPL-3.0-only",
+    "maintainer": {
+        "name": "",
+        "email": ""
+    },
+    "requirements": {
+        "yunohost": ">= 4.3.0"
+    },
+    "multi_instance": true,
+    "services": [
+        "nginx",
+        "php8.0-fpm",
+        "mysql"
+    ],
+    "arguments": {
+        "install": [
+            {
+                "name": "domain",
+                "type": "domain"
+            },
+            {
+                "name": "path",
+                "type": "path",
+                "example": "/ttrss",
+                "default": "/ttrss"
+            },
+            {
+                "name": "is_public",
+                "type": "boolean",
+                "default": true
+            }
+        ]
+    }
 }
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 6d0ca06..9000da2 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -6,10 +6,17 @@
 
 YNH_PHP_VERSION="8.0"
 
-pkg_dependencies="php${YNH_PHP_VERSION}-mysql php${YNH_PHP_VERSION}-curl php${YNH_PHP_VERSION}-gd php${YNH_PHP_VERSION}-opcache \
-    php${YNH_PHP_VERSION}-fileinfo php${YNH_PHP_VERSION}-intl php${YNH_PHP_VERSION}-cli php${YNH_PHP_VERSION}-mbstring php${YNH_PHP_VERSION}-xml"
+# dependencies used by the app
+pkg_dependencies="php${YNH_PHP_VERSION}-mysql php${YNH_PHP_VERSION}-curl php${YNH_PHP_VERSION}-gd php${YNH_PHP_VERSION}-opcache php${YNH_PHP_VERSION}-fileinfo php${YNH_PHP_VERSION}-intl php${YNH_PHP_VERSION}-cli php${YNH_PHP_VERSION}-mbstring php${YNH_PHP_VERSION}-xml"
+
+#=================================================
+# PERSONAL HELPERS
+#=================================================
 
 #=================================================
 # EXPERIMENTAL HELPERS
 #=================================================
 
+#=================================================
+# FUTURE OFFICIAL HELPERS
+#=================================================
diff --git a/scripts/change_url b/scripts/change_url
index 8412736..38b7596 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -26,19 +26,23 @@ app=$YNH_APP_INSTANCE_NAME
 #=================================================
 ynh_script_progression --message="Loading installation settings..." --weight=1
 
+# Needed for helper "ynh_add_nginx_config"
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
+
+# Add settings here as needed by your application
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 db_user=$db_name
 db_pwd=$(ynh_app_setting_get --app=$app --key=mysqlpwd)
 
 #=================================================
-# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
+# BACKUP BEFORE CHANGE URL THEN ACTIVE TRAP
 #=================================================
 ynh_script_progression --message="Backing up the app before changing its URL (may take a while)..." --weight=1
 
 # Backup the current version of the app
 ynh_backup_before_upgrade
 ynh_clean_setup () {
+	ynh_clean_check_starting
 	# 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"
 
@@ -66,6 +70,13 @@ fi
 
 #=================================================
 # STANDARD MODIFICATIONS
+#=================================================
+# STOP SYSTEMD SERVICE
+#=================================================
+ynh_script_progression --message="Stopping a systemd service..."
+
+ynh_systemd_action --service_name=$app --action="stop"
+
 #=================================================
 # MODIFY URL IN NGINX CONF
 #=================================================
@@ -98,7 +109,9 @@ fi
 #=================================================
 # SPECIFIC MODIFICATIONS
 #=================================================
-ynh_script_progression --message="Configuring $app..." --weight=1
+# UPDATE A CONFIG FILE
+#=================================================
+ynh_script_progression --message="Updating a configuration file..." --weight=1
 
 domain_path="https://${new_domain}${new_path}"
 domain="$new_domain"
@@ -108,7 +121,15 @@ chmod 400 "$final_path/config.php"
 chown $app "$final_path/config.php"
 
 #=================================================
-# GENERIC FINALIZATION
+# GENERIC FINALISATION
+#=================================================
+# START SYSTEMD SERVICE
+#=================================================
+ynh_script_progression --message="Starting a systemd service..."
+
+# Start a systemd service
+ynh_systemd_action --service_name=$app --action="start"
+
 #=================================================
 # RELOAD NGINX
 #=================================================
diff --git a/scripts/install b/scripts/install
index a270481..f6938b3 100644
--- a/scripts/install
+++ b/scripts/install
@@ -13,6 +13,9 @@ source /usr/share/yunohost/helpers
 # MANAGE SCRIPT FAILURE
 #=================================================
 
+ynh_clean_setup () {
+	ynh_clean_check_starting
+}
 # Exit if an error occurs during the execution of the script
 ynh_abort_if_errors
 
@@ -23,7 +26,6 @@ ynh_abort_if_errors
 domain=$YNH_APP_ARG_DOMAIN
 path_url=$YNH_APP_ARG_PATH
 is_public=$YNH_APP_ARG_IS_PUBLIC
-phpversion=$YNH_PHP_VERSION
 
 app=$YNH_APP_INSTANCE_NAME
 
@@ -46,6 +48,8 @@ ynh_script_progression --message="Storing installation settings..." --weight=1
 ynh_app_setting_set --app=$app --key=domain --value=$domain
 ynh_app_setting_set --app=$app --key=path --value=$path_url
 
+#=================================================
+# STANDARD MODIFICATIONS
 #=================================================
 # INSTALL DEPENDENCIES
 #=================================================
@@ -53,15 +57,13 @@ ynh_script_progression --message="Installing dependencies..." --weight=1
 
 ynh_install_app_dependencies $pkg_dependencies
 
-#=================================================
-# STANDARD MODIFICATIONS
 #=================================================
 # CREATE DEDICATED USER
 #=================================================
 ynh_script_progression --message="Configuring system user..." --weight=2
 
 # Create a system user
-ynh_system_user_create --username=$app --home_dir=$final_path
+ynh_system_user_create --username=$app --home_dir="$final_path"
 
 #=================================================
 # CREATE A MYSQL DATABASE
@@ -86,14 +88,6 @@ chmod 750 "$final_path"
 chmod -R o-rwx "$final_path"
 chown -R $app:www-data "$final_path"
 
-#=================================================
-# NGINX CONFIGURATION
-#=================================================
-ynh_script_progression --message="Configuring NGINX web server..." --weight=2
-
-# Create a dedicated NGINX config
-ynh_add_nginx_config
-
 #=================================================
 # PHP-FPM CONFIGURATION
 #=================================================
@@ -103,6 +97,14 @@ ynh_script_progression --message="Configuring PHP-FPM..." --weight=2
 ynh_add_fpm_config
 phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 
+#=================================================
+# NGINX CONFIGURATION
+#=================================================
+ynh_script_progression --message="Configuring NGINX web server..." --weight=2
+
+# Create a dedicated NGINX config
+ynh_add_nginx_config
+
 #=================================================
 # SPECIFIC SETUP
 #=================================================
@@ -133,7 +135,7 @@ ynh_script_progression --message="Initializing database..." --weight=6
 ynh_mysql_connect_as --user="$db_user" --password="$db_pwd" --database="$db_name" \
     < "$final_path/schema/ttrss_schema_mysql.sql"
 
-sudo -u $app php${phpversion} ${final_path}/update.php --update-schema=force-yes
+ynh_exec_as $app php${phpversion} ${final_path}/update.php --update-schema=force-yes
 
 #=================================================
 # GENERIC FINALIZATION
@@ -157,8 +159,11 @@ ynh_systemd_action --service_name=$app --action="start"
 #=================================================
 ynh_script_progression --message="Configuring permissions..." --weight=1
 
+# Make app public if necessary
 if [ $is_public -eq 1 ]
 then
+	# Everyone can access the app.
+	# The "main" permission is automatically created before the install script.
 	ynh_permission_update --permission="main" --add="visitors"
 fi
 
diff --git a/scripts/remove b/scripts/remove
index 7767057..53b546e 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -53,7 +53,7 @@ ynh_mysql_remove_db --db_user=$db_user --db_name=$db_name
 #=================================================
 # REMOVE APP MAIN DIR
 #=================================================
-ynh_script_progression --message="Removing the app main directory..." --weight=4
+ynh_script_progression --message="Removing app main directory..." --weight=4
 
 # Remove the app directory securely
 ynh_secure_remove --file="$final_path"
@@ -82,14 +82,6 @@ ynh_script_progression --message="Removing dependencies..." --weight=1
 # Remove metapackage and its dependencies
 ynh_remove_app_dependencies
 
-#=================================================
-# REMOVE VARIOUS FILES
-#=================================================
-ynh_script_progression --message="Removing various files..." --weight=1
-
-# Remove a cron file
-ynh_exec_warn_less ynh_secure_remove --file="/etc/cron.d/$app"
-
 #=================================================
 # GENERIC FINALIZATION
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index 57eccd3..b4e26ec 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -14,13 +14,16 @@ source /usr/share/yunohost/helpers
 # MANAGE SCRIPT FAILURE
 #=================================================
 
+ynh_clean_setup () {
+	ynh_clean_check_starting
+}
 # Exit if an error occurs during the execution of the script
 ynh_abort_if_errors
 
 #=================================================
 # LOAD SETTINGS
 #=================================================
-ynh_script_progression --message="Loading settings..." --weight=1
+ynh_script_progression --message="Loading installation settings..." --weight=1
 
 app=$YNH_APP_INSTANCE_NAME
 
@@ -36,24 +39,18 @@ phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 #=================================================
 ynh_script_progression --message="Validating restoration parameters..." --weight=2
 
-test ! -d $final_path || ynh_die --message="There is already a directory: $final_path "
+test ! -d $final_path \
+	|| ynh_die --message="There is already a directory: $final_path "
 
 #=================================================
 # STANDARD RESTORATION STEPS
-#=================================================
-# RESTORE THE NGINX CONFIGURATION
-#=================================================
-ynh_script_progression --message="Restoring the NGINX configuration..."
-
-ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"
-
 #=================================================
 # RECREATE THE DEDICATED USER
 #=================================================
 ynh_script_progression --message="Recreating the dedicated system user..." --weight=3
 
 # Create the dedicated user (if not existing)
-ynh_system_user_create --username=$app --home_dir=$final_path
+ynh_system_user_create --username=$app --home_dir="$final_path"
 
 #=================================================
 # RESTORE THE APP MAIN DIR
@@ -81,7 +78,12 @@ ynh_script_progression --message="Restoring the PHP-FPM configuration..." --weig
 
 ynh_restore_file --origin_path="/etc/php/$phpversion/fpm/pool.d/$app.conf"
 
-ynh_add_fpm_config
+#=================================================
+# RESTORE THE NGINX CONFIGURATION
+#=================================================
+ynh_script_progression --message="Restoring the NGINX web server configuration..."
+
+ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"
 
 #=================================================
 # RESTORE THE MYSQL DATABASE
diff --git a/scripts/upgrade b/scripts/upgrade
index 186577f..07fa0bd 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -27,18 +27,20 @@ phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 #=================================================
 # CHECK VERSION
 #=================================================
+ynh_script_progression --message="Checking version..."
 
 upgrade_type=$(ynh_check_app_version_changed)
 
 #=================================================
 # BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
 #=================================================
-ynh_script_progression --message="Backing up $app before upgrading (may take a while)..." --weight=7
+ynh_script_progression --message="Backing up the app before upgrading (may take a while)..." --weight=7
 
 # Backup the current version of the app
 ynh_backup_before_upgrade
 ynh_clean_setup () {
-	# restore it if the upgrade fails
+	ynh_clean_check_starting
+	# Restore it if the upgrade fails
 	ynh_restore_upgradebackup
 }
 # Exit if an error occurs during the execution of the script
@@ -92,7 +94,7 @@ ynh_secure_remove --file="/etc/cron.d/$app"
 ynh_script_progression --message="Making sure dedicated system user exists..." --weight=1
 
 # Create a dedicated user (if not existing)
-ynh_system_user_create --username=$app --home_dir=$final_path
+ynh_system_user_create --username=$app --home_dir="$final_path"
 
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
@@ -147,7 +149,7 @@ then
 	ynh_add_config --template="../conf/config.php" --destination="$final_path/config.php"
 
 	ynh_script_progression --message="Upgrading ttrss database..." --weight=2
-	sudo -u $app php${phpversion} ${final_path}/update.php --update-schema=force-yes
+	ynh_exec_as $app php${phpversion} ${final_path}/update.php --update-schema=force-yes
 fi
 
 chmod 400 "$final_path/config.php"