diff --git a/.github/release-drafter.yml b/.github/release-drafter.yml
index 5d89759..2bea9eb 100644
--- a/.github/release-drafter.yml
+++ b/.github/release-drafter.yml
@@ -1,3 +1,4 @@
+---
 name-template: "v$RESOLVED_VERSION 🌈"
 tag-template: "v$RESOLVED_VERSION"
 categories:
diff --git a/.github/stale.yml b/.github/stale.yml
index dc90e5a..82c0d00 100644
--- a/.github/stale.yml
+++ b/.github/stale.yml
@@ -1,3 +1,4 @@
+---
 # Number of days of inactivity before an issue becomes stale
 daysUntilStale: 60
 # Number of days of inactivity before a stale issue is closed
diff --git a/.github/workflows/release-drafter.yml b/.github/workflows/release-drafter.yml
index 689fc73..5a35793 100644
--- a/.github/workflows/release-drafter.yml
+++ b/.github/workflows/release-drafter.yml
@@ -1,3 +1,4 @@
+---
 name: Release Drafter
 
 on:
diff --git a/.gitignore b/.gitignore
index dfcd050..0074a18 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,4 @@
 .venv/
 .idea/
+.vscode/
+venv/
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index ae50460..3b7a93d 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,3 +1,4 @@
+---
 # See https://pre-commit.com for more information
 # See https://pre-commit.com/hooks.html for more hooks
 repos:
diff --git a/README.md b/README.md
index ff93862..caf4d16 100644
--- a/README.md
+++ b/README.md
@@ -4,15 +4,14 @@
 
 **Table of Contents**  _generated with [DocToc](https://github.com/thlorenz/doctoc)_
 
--   [ansible-mariadb-galera-cluster](#ansible-mariadb-galera-cluster)
-    -   [Build Status](#build-status)
-    -   [Requirements](#requirements)
-    -   [Vagrant](#vagrant)
-    -   [Role Variables](#role-variables)
-    -   [Dependencies](#dependencies)
-    -   [Example Playbook](#example-playbook)
-    -   [License](#license)
-    -   [Author Information](#author-information)
+- [ansible-mariadb-galera-cluster](#ansible-mariadb-galera-cluster)
+  - [Build Status](#build-status)
+  - [Requirements](#requirements)
+  - [Role Variables](#role-variables)
+  - [Dependencies](#dependencies)
+  - [Example Playbook](#example-playbook)
+  - [License](#license)
+  - [Author Information](#author-information)
 
 <!-- END doctoc generated TOC please keep comment here to allow auto update -->
 
diff --git a/tasks/main.yml b/tasks/main.yml
index d80b4b3..d781087 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -67,7 +67,7 @@
 - ansible.builtin.import_tasks: galera_monitoring.yml
   tags:
     - config_galera_monitoring
-  when: galera_enable_galera_monitoring_script
+  when: galera_enable_galera_monitoring_script|bool
 
 - ansible.builtin.import_tasks: cacti.yml
   tags:
diff --git a/tasks/system_performance_tuning.yml b/tasks/system_performance_tuning.yml
index 3043674..39c2c45 100644
--- a/tasks/system_performance_tuning.yml
+++ b/tasks/system_performance_tuning.yml
@@ -25,7 +25,4 @@
   become: true
   when:
     - mariadb_swappiness != 'auto'
-    - "not (
-      (ansible_virtualization_role == 'guest')
-      and (ansible_virtualization_type == 'lxc')
-      )"
+    - not ( (ansible_virtualization_role == 'guest') and (ansible_virtualization_type == 'lxc') )
diff --git a/vars/main.yml b/vars/main.yml
index 168738c..5923207 100644
--- a/vars/main.yml
+++ b/vars/main.yml
@@ -1,9 +1,4 @@
 ---
 # vars file for ansible-mariadb-galera-cluster
 
-galera_cluster_nodes: "\
-  {% set _galera_cluster_nodes = [] %}\
-  {% for host in groups[ galera_cluster_nodes_group ] %}\
-  {{   _galera_cluster_nodes.append( host ) }}\
-  {% endfor %}\
-  {{ _galera_cluster_nodes }}"
+galera_cluster_nodes: "{% set _galera_cluster_nodes = [] %}{% for host in groups[ galera_cluster_nodes_group ] %}{{   _galera_cluster_nodes.append( host ) }}{% endfor %}{{ _galera_cluster_nodes }}"