diff --git a/manifest.toml b/manifest.toml
index 13a132c..4f49cf5 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -2,26 +2,23 @@ packaging_format = 2
 
 id = "pydio"
 name = "Pydio"
-description.en = "A file sharing platform"
-description.fr = "Une plateforme de partage de fichiers"
+description.en = "File sharing platform"
+description.fr = "Plateforme de partage de fichiers"
 
 version = "4.2.1~ynh1"
 
 maintainers = ["salamandar"]
 
 [upstream]
-# NB: Only the "license" key is mandatory. Remove entries for which there's no relevant data
 license = "AGPL-3.0"
 website = "https://pydio.com"
-# demo = "https://demo.example.com"
 admindoc = "https://pydio.com/en/docs"
-# userdoc = "https://yunohost.org/apps"
 code = "https://github.com/pydio/cells"
 cpe = "cpe:2.3:a:pydio:cells"
 fund = "https://pydio.com/en/pricing"
 
 [integration]
-yunohost = ">= 11.1.14"
+yunohost = ">= 11.1.21"
 architectures = ["amd64", "armhf", "arm64"]
 multi_instance = true
 ldap = false
@@ -35,8 +32,6 @@ ram.runtime = "50M"
     type = "domain"
 
     [install.init_main_permission]
-    # this is a generic question - ask strings are automatically handled by YunoHost's core
-    # This won't be saved as setting and will instead be used to initialize the SSOwat permission
     type = "group"
     default = "visitors"
 
@@ -47,8 +42,6 @@ ram.runtime = "50M"
     type = "password"
 
 [resources]
-    # See the packaging documentation for the full set
-    # of explanation regarding the behavior and properties for each of those
 
     [resources.sources]
 
diff --git a/scripts/backup b/scripts/backup
index 503270b..ebf2cf1 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -60,9 +60,6 @@ ynh_backup --src_path="/etc/systemd/system/$app.service"
 #=================================================
 ynh_print_info --message="Backing up the MySQL database..."
 
-### (However, things like MySQL dumps *do* take some time to run, though the
-### copy of the generated dump to the archive still happens later)
-
 ynh_mysql_dump_db --database="$db_name" > db.sql
 
 #=================================================
diff --git a/scripts/change_url b/scripts/change_url
index f0964a6..ae914ad 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -25,12 +25,6 @@ ynh_script_progression --message="Updating NGINX web server configuration..." --
 
 ynh_change_url_nginx_config
 
-#=================================================
-# SPECIFIC MODIFICATIONS
-#=================================================
-# ...
-#=================================================
-
 #=================================================
 # GENERIC FINALISATION
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 9663ef9..ccf013c 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -60,27 +60,12 @@ yunohost service add "$app" --description="Pydio - A file sharing platform" --lo
 #=================================================
 # UPDATE A CONFIG FILE
 #=================================================
-ynh_script_progression --message="Updating a configuration file..." --weight=1
+#ynh_script_progression --message="Updating a configuration file..." --weight=1
 
-### Same as during install
-###
-### The file will automatically be backed-up if it's found to be manually modified (because
-### ynh_add_config keeps track of the file's checksum)
+#ynh_add_config --template="some_config_file" --destination="$install_dir/some_config_file"
 
-ynh_add_config --template="some_config_file" --destination="$install_dir/some_config_file"
-
-# FIXME: this should be handled by the core in the future
-# You may need to use chmod 600 instead of 400,
-# for example if the app is expected to be able to modify its own config
-chmod 400 "$install_dir/some_config_file"
-chown $app:$app "$install_dir/some_config_file"
-
-### For more complex cases where you want to replace stuff using regexes,
-### you shoud rely on ynh_replace_string (which is basically a wrapper for sed)
-### When doing so, you also need to manually call ynh_store_file_checksum
-###
-### ynh_replace_string --match_string="match_string" --replace_string="replace_string" --target_file="$install_dir/some_config_file"
-### ynh_store_file_checksum --file="$install_dir/some_config_file"
+#chmod 400 "$install_dir/some_config_file"
+#chown $app:$app "$install_dir/some_config_file"
 
 #=================================================
 # START SYSTEMD SERVICE