diff --git a/manifest.json b/manifest.json
index 1ae438e..f61a1c5 100644
--- a/manifest.json
+++ b/manifest.json
@@ -12,7 +12,7 @@
         "license": "GPL-3.0-or-later",
         "website": "https://moodle.org/",
         "demo": "https://sandbox.moodledemo.net/",
-        "admindoc": "https://docs.moodle.org/311/en/Main_page",
+        "admindoc": "https://docs.moodle.org/400/en/Main_page",
         "code": "https://github.com/moodle/moodle"
     },
     "license": "GPL-3.0-or-later",
diff --git a/scripts/backup b/scripts/backup
index 6229a5b..4510d34 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -40,6 +40,10 @@ ynh_print_info --message="Declaring files to be backed up..."
 
 ynh_backup --src_path="$final_path"
 
+#=================================================
+# BACKUP THE DATA DIR
+#=================================================
+
 ynh_backup --src_path="$data_path" --is_big
 
 #=================================================
diff --git a/scripts/install b/scripts/install
index 42587d2..e4e7dfd 100644
--- a/scripts/install
+++ b/scripts/install
@@ -145,7 +145,7 @@ ynh_psql_execute_as_root --database="$db_name" --sql="UPDATE public.mdl_config_p
 ynh_psql_execute_as_root --database="$db_name" --sql="UPDATE public.mdl_config_plugins SET value='onlogin' WHERE plugin='auth_ldap' AND (name='field_updatelocal_firstname' OR name='field_updatelocal_lastname' OR name='field_updatelocal_email');"
 ynh_psql_execute_as_root --database="$db_name" --sql="UPDATE public.mdl_config_plugins SET value='locked' WHERE plugin='auth_ldap' AND (name='field_lock_firstname' OR name='field_lock_lastname' OR name='field_lock_email');"
 
-# The admin is an ldap user
+# The admin is an LDAP user
 ynh_psql_execute_as_root --database="$db_name" --sql="UPDATE public.mdl_user SET auth='ldap' WHERE username='$admin';"
 
 php$phpversion "$final_path/admin/cli/purge_caches.php"
diff --git a/scripts/remove b/scripts/remove
index 502e9a4..097e493 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -43,7 +43,7 @@ ynh_remove_app_dependencies
 #=================================================
 # REMOVE APP MAIN DIR
 #=================================================
-ynh_script_progression --message="Removing Moodle main directory..." --weight=2
+ynh_script_progression --message="Removing app main directory..." --weight=2
 
 # Remove the app directory securely
 ynh_secure_remove --file="$final_path"
diff --git a/scripts/upgrade b/scripts/upgrade
index 266ca11..f3cf19c 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -37,7 +37,7 @@ upgrade_type=$(ynh_check_app_version_changed)
 #=================================================
 # BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
 #=================================================
-ynh_script_progression --message="Backing up Moodle before upgrading (may take a while)..." --weight=10
+ynh_script_progression --message="Backing up the app before upgrading (may take a while)..." --weight=10
 
 # Backup the current version of the app
 ynh_backup_before_upgrade
@@ -148,7 +148,7 @@ ynh_psql_execute_as_root --database="$db_name" --sql="UPDATE public.mdl_config_p
 ynh_psql_execute_as_root --database="$db_name" --sql="UPDATE public.mdl_config_plugins SET value='onlogin' WHERE plugin='auth_ldap' AND (name='field_updatelocal_firstname' OR name='field_updatelocal_lastname' OR name='field_updatelocal_email');"
 ynh_psql_execute_as_root --database="$db_name" --sql="UPDATE public.mdl_config_plugins SET value='locked' WHERE plugin='auth_ldap' AND (name='field_lock_firstname' OR name='field_lock_lastname' OR name='field_lock_email');"
 
-# The admin is an ldap user
+# The admin is an LDAP user
 ynh_psql_execute_as_root --database="$db_name" --sql="UPDATE public.mdl_user SET auth='ldap' WHERE username='$admin';"
 
 php${phpversion} "$final_path/admin/cli/purge_caches.php"