diff --git a/manifests/scheme.pp b/manifests/scheme.pp
index 1186345..87350c6 100644
--- a/manifests/scheme.pp
+++ b/manifests/scheme.pp
@@ -54,14 +54,14 @@
   Optional[Pattern[/\A[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}\z/]] $template = undef,
   Optional[String[1]] $description = undef,
   Optional[Hash[Enum[
-    'monitor-timeout-ac',
-    'monitor-timeout-dc',
-    'disk-timeout-ac',
-    'disk-timeout-dc',
-    'standby-timeout-ac',
-    'standby-timeout-dc',
-    'hibernate-timeout-ac',
-    'hibernate-timeout-dc'
+        'monitor-timeout-ac',
+        'monitor-timeout-dc',
+        'disk-timeout-ac',
+        'disk-timeout-dc',
+        'standby-timeout-ac',
+        'standby-timeout-dc',
+        'hibernate-timeout-ac',
+        'hibernate-timeout-dc'
   ], Integer[0], 1, 8]] $settings = undef,
 ) {
   if $template !~ Undef {