diff --git a/defaults/main.yml b/defaults/main.yml
index c593203..c68112c 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -9,8 +9,10 @@ keycloak_distribution_data_directory: '{{ keycloak_install_dir }}/{{ keycloak_di
 keycloak_data_directory: '/opt/keycloak_data'
 keycloak_log_directory: '/var/log/keycloak'
 keycloak_startup_properties:
-  - { name: 'jboss.server.data.dir', value: '{{ keycloak_data_directory }}' }
-  - { name: 'jboss.server.log.dir', value: '{{ keycloak_log_directory }}' }
+  - name: 'jboss.server.data.dir'
+    value: '{{ keycloak_data_directory }}'
+  - name: 'jboss.server.log.dir'
+    value: '{{ keycloak_log_directory }}'
 # domain clustered mode is not supported at this time
 keycloak_wildfly_clustered: False
 keycloak_wildfly_cluster_node_name: '{{ ansible_hostname }}'
@@ -23,7 +25,7 @@ keycloak_java_min_heap: '2048m'
 keycloak_java_max_heap: '{{ keycloak_java_min_heap }}'
 keycloak_node_identifier: 1
 
-keycloak_use_external_db: True
+keycloak_use_external_db: true
 # postgresql is the only supported choice for the time being
 keycloak_db: 'postgresql'
 keycloak_db_module_name: 'org.{{ keycloak_db }}'
@@ -34,14 +36,14 @@ keycloak_jdbc_driver: 'postgresql-{{ keycloak_jdbc_driver_version }}.jar'
 keycloak_jdbc_driver_url: 'https://jdbc.postgresql.org/download/{{ keycloak_jdbc_driver }}'
 keycloak_database_name: keycloak
 keycloak_database_user: keycloak_u
-#keycloak_database_password: 'define it into a vault file'
+# keycloak_database_password: 'define it into a vault file'
 keycloak_database_host: 'localhost'
 keycloak_database_max_pool_size: '50'
-keycloak_database_jboss_connection_checker: True
+keycloak_database_jboss_connection_checker: true
 keycloak_database_idle_timeouts_min: 1
 keycloak_admin_user: kadmin
-#keycloak_admin_password: 'define it into a vault file'
+# keycloak_admin_password: 'define it into a vault file'
 
-keycloak_behind_reverse_proxy: True
+keycloak_behind_reverse_proxy: true
 
 keycloak_jcliff_version: '2.12.7'