diff --git a/conf/config.yaml b/conf/config.yaml
index 37556f1..ed6ac92 100644
--- a/conf/config.yaml
+++ b/conf/config.yaml
@@ -78,8 +78,8 @@ appservice:
     ephemeral_events: false
 
     # Authentication tokens for AS <-> HS communication. Autogenerated; do not modify.
-    as_token: "This value is generated when generating the registration"
-    hs_token: "This value is generated when generating the registration"
+    as_token: __AS_TOKEN__
+    hs_token: __HS_TOKEN__
 
 # Prometheus telemetry config. Requires prometheus-client to be installed.
 metrics:
diff --git a/scripts/backup b/scripts/backup
index f35b565..27c175a 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -30,9 +30,16 @@ app=$YNH_APP_INSTANCE_NAME
 
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 domain=$(ynh_app_setting_get --app=$app --key=domain)
-db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 
+app_service_registration_path=$(ynh_app_setting_get --app=$app --key=app_service_registration_path)
+
+# synapse_instance=$(ynh_app_setting_get --app=$app --key=synapse_instance)
+# mautrix_bridge_db_name=$(ynh_app_setting_get --app=$app --key=mautrix_bridge_db_name)
+# mautrix_bridge_db_user=$app
+# mautrix_bridge_db_pwd=$(ynh_app_setting_get --app=$app --key=mautrix_bridge_db_pwd)
+# mautrix_bridge_db_pwd=$(ynh_app_setting_get --app=$app --key=mautrix_bridge_db_pwd)
+
 #=================================================
 # DECLARE DATA AND CONF FILES TO BACKUP
 #=================================================
@@ -47,6 +54,7 @@ ynh_print_info --message="Declaring files to be backed up..."
 # BACKUP THE APP MAIN DIR
 #=================================================
 
+# includes config file
 ynh_backup --src_path="$final_path"
 
 #=================================================
@@ -67,7 +75,8 @@ ynh_backup --src_path="/etc/systemd/system/$app.service"
 # BACKUP VARIOUS FILES
 #=================================================
 
-# ynh_backup --src_path="/etc/$app/"
+# backup synapse registration file
+ynh_backup --src_path="$app_service_registration_path"
 
 #=================================================
 # BACKUP THE PostrgeSQL DATABASE
diff --git a/scripts/install b/scripts/install
index 1c90ed8..2f855e7 100755
--- a/scripts/install
+++ b/scripts/install
@@ -85,7 +85,6 @@ port=$(ynh_find_port --port=29317)
 # STORE SETTINGS FROM MANIFEST
 #=================================================
 ynh_script_progression --message="Storing installation settings..." --weight=7
-
 ynh_app_setting_set --app=$app --key=domain --value=$domain
 ynh_app_setting_set --app=$app --key=server_name --value=$server_name
 ynh_app_setting_set --app=$app --key=port --value=$port
@@ -93,7 +92,8 @@ ynh_app_setting_set --app=$app --key=botname --value=$botname
 ynh_app_setting_set --app=$app --key=synapse_instance --value=$synapse_instance
 ynh_app_setting_set --app=$app --key=app_service_registration_path --value=$app_service_registration_path
 ynh_app_setting_set --app=$app --key=encryption --value=$encryption
-ynh_app_setting_set --app=$app --key=mautrix_bridge_db_name --value=$mautrix_bridge_db_name ynh_app_setting_set --app=$app --key=botadmin --value=$botadmin
+ynh_app_setting_set --app=$app --key=mautrix_bridge_db_name --value=$mautrix_bridge_db_name
+ynh_app_setting_set --app=$app --key=botadmin --value=$botadmin
 ynh_app_setting_set --app=$app --key=botusers --value=$botusers
 
 ynh_app_setting_set --app=$app --key=apiid --value=$apiid
@@ -189,6 +189,7 @@ mautrix_config_path="$final_path/config.yaml"
 #Copy example-config.yaml to config.yaml
 cp ../conf/config.yaml "$mautrix_config_path"
 
+
 ynh_replace_string --match_string=__DOMAIN__ --replace_string="https://$domain" --target_file="$mautrix_config_path"
 ynh_replace_string --match_string=__SERVER_NAME__ --replace_string=$server_name --target_file="$mautrix_config_path"
 ynh_replace_string --match_string=__VERIFY_SERVER_SSL_CERTIFICATES__ --replace_string=true --target_file="$mautrix_config_path"
@@ -215,6 +216,10 @@ ynh_replace_string --match_string=__TELEGRAM_API_ID__ --replace_string=$apiid --
 ynh_replace_string --match_string=__TELEGRAM_API_HASH__ --replace_string=$apihash --target_file="$mautrix_config_path"
 ynh_replace_string --match_string=__TELEGRAM_BOT_TOKEN__ --replace_string=$bottoken --target_file="$mautrix_config_path"
 
+generated="\"This value is generated when generating the registration\""
+ynh_replace_string --match_string=__AS_TOKEN__ --replace_string="$generated" --target_file="$mautrix_config_path"
+ynh_replace_string --match_string=__HS_TOKEN__ --replace_string="$generated" --target_file="$mautrix_config_path"
+
 
 #=================================================
 # INSTALL MAUTRIX-BRIDGE PYTHON MODULE