diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml
index 492ab85..c1cffeb 100644
--- a/.github/FUNDING.yml
+++ b/.github/FUNDING.yml
@@ -1,3 +1,4 @@
+---
 # These are supported funding model platforms
 
 patreon: ansibleguy
diff --git a/.yamllint b/.yamllint
new file mode 100644
index 0000000..9a9dc42
--- /dev/null
+++ b/.yamllint
@@ -0,0 +1,9 @@
+---
+
+extends: default
+
+rules:
+  truthy:
+    allowed-values: ['true', 'false', 'yes', 'no']
+  line-length:
+    max: 150
diff --git a/defaults/main.yml b/defaults/main.yml
index 5d66a5e..41f650d 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -166,7 +166,7 @@ default_site_config:
 default_modules:
   # <IfModule ${MOD}>
   # </IfModule>
-  prefork: # see: https://httpd.apache.org/docs/2.4/mod/mpm_common.html
+  prefork:  # see: https://httpd.apache.org/docs/2.4/mod/mpm_common.html
     ifname: 'prefork.c'
     settings:
       StartServers: 5
@@ -187,16 +187,16 @@ default_modules:
       # DOSSystemCommand:
       # DOSEmailNotify: mail@yourdomain.com
       DOSWhitelist: [
-          '127.0.0.*', '192.168.*.*', '10.*.*.*', '172.16.*.*', '172.17.*.*', '172.18.*.*', '172.19.*.*',
-          '172.20.*.*', '172.21.*.*', '172.22.*.*', '172.23.*.*', '172.24.*.*', '172.25.*.*', '172.26.*.*',
-          '172.27.*.*', '172.28.*.*', '172.29.*.*', '172.30.*.*', '172.31.*.*', '172.32.*.*',
+        '127.0.0.*', '192.168.*.*', '10.*.*.*', '172.16.*.*', '172.17.*.*', '172.18.*.*', '172.19.*.*',
+        '172.20.*.*', '172.21.*.*', '172.22.*.*', '172.23.*.*', '172.24.*.*', '172.25.*.*', '172.26.*.*',
+        '172.27.*.*', '172.28.*.*', '172.29.*.*', '172.30.*.*', '172.31.*.*', '172.32.*.*',
       ]
 
 APACHE_MODULES: "{{ default_modules | combine(modules, recursive=true) }}"
 
 apache_config_graylist: [
-    'SSLEngine', 'SSLCertificateKeyFile', 'SSLCertificateFile', 'SSLCertificateChainFile', 'ErrorLog', 'CustomLog', 'ServerAdmin',
-    'ServerAlias', 'ServerName', 'Redirect'
+  'SSLEngine', 'SSLCertificateKeyFile', 'SSLCertificateFile', 'SSLCertificateChainFile', 'ErrorLog', 'CustomLog', 'ServerAdmin',
+  'ServerAlias', 'ServerName', 'Redirect'
 ]
 force_removal: false
 NONE_VALUES: [none, '', ' ']
diff --git a/requirements.yml b/requirements.yml
index 6ee4e2a..94d1300 100644
--- a/requirements.yml
+++ b/requirements.yml
@@ -1,3 +1,4 @@
+---
 # external roles and collections to download
 # install: ansible-galaxy install -r requirements.yml
 
diff --git a/tasks/debian/main.yml b/tasks/debian/main.yml
index e3a8398..0f4c153 100644
--- a/tasks/debian/main.yml
+++ b/tasks/debian/main.yml
@@ -39,8 +39,8 @@
   community.general.apache2_module:
     state: absent
     name: "{{ APACHE_CONFIG.modules.absent }}"
-    force: True
-    ignore_configcheck: True
+    force: true
+    ignore_configcheck: true
   register: apache_mods_disable_raw
   tags: [base]