diff --git a/scripts/config b/scripts/config
index abbf5b2..29f78f8 100644
--- a/scripts/config
+++ b/scripts/config
@@ -1,10 +1,10 @@
 #!/bin/bash
-# In simple cases, you don't need a config script. 
+# In simple cases, you don't need a config script.
 
-# With a simple config_panel.toml, you can write in the app settings, in the 
+# With a simple config_panel.toml, you can write in the app settings, in the
 # upstream config file or replace complete files (logo ...) and restart services.
 
-# The config scripts allows you to go further, to handle specific cases 
+# The config scripts allows you to go further, to handle specific cases
 # (validation of several interdependent fields, specific getter/setter for a value,
 # display dynamic informations or choices, pre-loading of config type .cube... ).
 
@@ -33,8 +33,7 @@ get__amount() {
     local amount=200
 
     # It's possible to change some properties of the question by overriding it:
-    if [ "$amount" -gt 100 ]
-    then
+    if [ "$amount" -gt 100 ]; then
     cat << EOF
 style: success
 value: $amount
@@ -54,8 +53,7 @@ EOF
 get__prices() {
     local prices
     prices="$(grep "DONATION\['" "$install_dir/settings.py" | sed -r "s@^DONATION\['([^']*)'\]\['([^']*)'\] = '([^']*)'@\1/\2/\3@g" | sed -z 's/\n/,/g;s/,$/\n/')"
-    if [ "$prices" == "," ];
-    then
+    if [ "$prices" == "," ]; then
         # Return YNH_NULL if you prefer to not return a value at all.
         echo YNH_NULL
     else
@@ -90,7 +88,7 @@ set__prices() {
 
         echo "DONATION['$frequency']['$currency'] = '$price_id'" >> "$install_dir/settings.py"
     done
-    
+
     #---------------------------------------------
     # IMPORTANT: to be able to upgrade properly, you have to save the value in settings too
     #---------------------------------------------
diff --git a/scripts/install b/scripts/install
index 4e695e7..99e2580 100755
--- a/scripts/install
+++ b/scripts/install
@@ -58,12 +58,12 @@ ynh_script_progression --message="Adding system configurations related to $app..
 ### You can remove it if your app doesn't use PHP.
 ### `ynh_add_fpm_config` will use the files conf/php-fpm.conf
 ### If you're not using these lines:
-###		- You can remove these files in conf/.
-###		- Remove the section "BACKUP THE PHP-FPM CONFIGURATION" in the backup script
-###		- Remove also the section "REMOVE PHP-FPM CONFIGURATION" in the remove script
-###		- As well as the section "RESTORE THE PHP-FPM CONFIGURATION" in the restore script
-###		  with the reload at the end of the script.
-###		- And the section "PHP-FPM CONFIGURATION" in the upgrade script
+###   - You can remove these files in conf/.
+###   - Remove the section "BACKUP THE PHP-FPM CONFIGURATION" in the backup script
+###   - Remove also the section "REMOVE PHP-FPM CONFIGURATION" in the remove script
+###   - As well as the section "RESTORE THE PHP-FPM CONFIGURATION" in the restore script
+###     with the reload at the end of the script.
+###   - And the section "PHP-FPM CONFIGURATION" in the upgrade script
 
 # Create a dedicated PHP-FPM config using the conf/php-fpm.conf or conf/extra_php-fpm.conf
 ynh_add_fpm_config
@@ -76,11 +76,11 @@ ynh_add_nginx_config
 ### Have a look at the app to be sure this app needs a systemd script.
 ### `ynh_systemd_config` will use the file conf/systemd.service
 ### If you're not using these lines:
-###		- You can remove those files in conf/.
-###		- Remove the section "BACKUP SYSTEMD" in the backup script
-###		- Remove also the section "STOP AND REMOVE SERVICE" in the remove script
-###		- As well as the section "RESTORE SYSTEMD" in the restore script
-###		- And the section "SETUP SYSTEMD" in the upgrade script
+###   - You can remove those files in conf/.
+###   - Remove the section "BACKUP SYSTEMD" in the backup script
+###   - Remove also the section "STOP AND REMOVE SERVICE" in the remove script
+###   - As well as the section "RESTORE SYSTEMD" in the restore script
+###   - And the section "SETUP SYSTEMD" in the upgrade script
 
 # Create a dedicated systemd config
 ynh_add_systemd_config
@@ -89,10 +89,10 @@ ynh_add_systemd_config
 ### displayed in the admin interface and through the others `yunohost service` commands.
 ### (N.B.: this line only makes sense if the app adds a service to the system!)
 ### If you're not using these lines:
-###		- You can remove these files in conf/.
-###		- Remove the section "REMOVE SERVICE INTEGRATION IN YUNOHOST" in the remove script
-###		- As well as the section "INTEGRATE SERVICE IN YUNOHOST" in the restore script
-###		- And the section "INTEGRATE SERVICE IN YUNOHOST" in the upgrade script
+###   - You can remove these files in conf/.
+###   - Remove the section "REMOVE SERVICE INTEGRATION IN YUNOHOST" in the remove script
+###   - As well as the section "INTEGRATE SERVICE IN YUNOHOST" in the restore script
+###   - And the section "INTEGRATE SERVICE IN YUNOHOST" in the upgrade script
 
 yunohost service add "$app" --description="A short description of the app" --log="/var/log/$app/$app.log"
 
@@ -115,10 +115,10 @@ yunohost service add "$app" --description="A short description of the app" --log
 ### `ynh_use_logrotate` is used to configure a logrotate configuration for the logs of this app.
 ### Use this helper only if there is effectively a log file for this app.
 ### If you're not using this helper:
-###		- Remove the section "BACKUP LOGROTATE" in the backup script
-###		- Remove also the section "REMOVE LOGROTATE CONFIGURATION" in the remove script
-###		- As well as the section "RESTORE THE LOGROTATE CONFIGURATION" in the restore script
-###		- And the section "SETUP LOGROTATE" in the upgrade script
+###   - Remove the section "BACKUP LOGROTATE" in the backup script
+###   - Remove also the section "REMOVE LOGROTATE CONFIGURATION" in the remove script
+###   - As well as the section "RESTORE THE LOGROTATE CONFIGURATION" in the restore script
+###   - And the section "SETUP LOGROTATE" in the upgrade script
 
 # Use logrotate to manage application logfile(s)
 ynh_use_logrotate
@@ -183,10 +183,10 @@ ynh_script_progression --message="Starting a systemd service..." --weight=1
 ### `ynh_systemd_action` is used to start a systemd service for an app.
 ### Only needed if you have configure a systemd service
 ### If you're not using these lines:
-###		- Remove the section "STOP SYSTEMD SERVICE" and "START SYSTEMD SERVICE" in the backup script
-###		- As well as the section "START SYSTEMD SERVICE" in the restore script
-###		- As well as the section"STOP SYSTEMD SERVICE" and "START SYSTEMD SERVICE" in the upgrade script
-###		- And the section "STOP SYSTEMD SERVICE" and "START SYSTEMD SERVICE" in the change_url script
+###   - Remove the section "STOP SYSTEMD SERVICE" and "START SYSTEMD SERVICE" in the backup script
+###   - As well as the section "START SYSTEMD SERVICE" in the restore script
+###   - As well as the section"STOP SYSTEMD SERVICE" and "START SYSTEMD SERVICE" in the upgrade script
+###   - And the section "STOP SYSTEMD SERVICE" and "START SYSTEMD SERVICE" in the change_url script
 
 # Start a systemd service
 ynh_systemd_action --service_name="$app" --action="start" --log_path="/var/log/$app/$app.log"
diff --git a/scripts/remove b/scripts/remove
index b7d321e..f0aaf93 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -30,10 +30,9 @@ ynh_script_progression --message="Removing system configurations related to $app
 # This should be a symetric version of what happens in the install script
 
 # Remove the service from the list of services known by YunoHost (added from `yunohost service add`)
-if ynh_exec_warn_less yunohost service status "$app" >/dev/null
-then
-	ynh_script_progression --message="Removing $app service integration..." --weight=1
-	yunohost service remove "$app"
+if ynh_exec_warn_less yunohost service status "$app" >/dev/null; then
+    ynh_script_progression --message="Removing $app service integration..." --weight=1
+    yunohost service remove "$app"
 fi
 
 ynh_remove_fail2ban_config
diff --git a/scripts/upgrade b/scripts/upgrade
index 45f990a..01fbd5e 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -44,16 +44,16 @@ upgrade_type=$(ynh_check_app_version_changed)
 #
 
 # If db_name doesn't exist, create it
-#if [ -z "$db_name" ]; then
-#	db_name=$(ynh_sanitize_dbid --db_name=$app)
-#	ynh_app_setting_set --app=$app --key=db_name --value=$db_name
-#fi
+# if [ -z "$db_name" ]; then
+#     db_name=$(ynh_sanitize_dbid --db_name=$app)
+#     ynh_app_setting_set --app=$app --key=db_name --value=$db_name
+# fi
 
 # If install_dir doesn't exist, create it
-#if [ -z "$install_dir" ]; then
-#	install_dir=/var/www/$app
-#	ynh_app_setting_set --app=$app --key=install_dir --value=$install_dir
-#fi
+# if [ -z "$install_dir" ]; then
+#     install_dir=/var/www/$app
+#     ynh_app_setting_set --app=$app --key=install_dir --value=$install_dir
+# fi
 
 #=================================================
 # STOP SYSTEMD SERVICE
@@ -68,15 +68,14 @@ ynh_systemd_action --service_name="$app" --action="stop" --log_path="/var/log/$a
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
 
-if [ "$upgrade_type" == "UPGRADE_APP" ]
-then
-	ynh_script_progression --message="Upgrading source files..." --weight=1
+if [ "$upgrade_type" == "UPGRADE_APP" ]; then
+    ynh_script_progression --message="Upgrading source files..." --weight=1
 
-	# Download, check integrity, uncompress and patch the source from manifest.toml
-	ynh_setup_source --dest_dir="$install_dir"
+    # Download, check integrity, uncompress and patch the source from manifest.toml
+    ynh_setup_source --dest_dir="$install_dir"
 fi
 
-# $install_dir will automatically be initialized with some decent 
+# $install_dir will automatically be initialized with some decent
 # permissions by default ... however, you may need to recursively reapply
 # ownership to all files such as after the ynh_setup_source step
 chown -R "$app:www-data" "$install_dir"