Fixed to align the indentation of the line specified in header options.

Author: smeghead

CHANGELOG.md

@@ -1,5 +1,9 @@
 # CHANGELOG
 
+### Bug fix
+
+ * Fixed to align the indentation of the line specified in header options.
+
 ## v0.1.0 (2202-12-08)
 
 ### Features

src/DiagramElement/Relation.php

@@ -21,7 +21,7 @@ public function getPackage(): Package {
 
     public function dump(): array {
         $lines = ['@startuml class-diagram'];
-        $lines = array_merge($lines, $this->options->headers());
+        $lines = array_merge($lines, array_map(function($x){ return '  ' . $x;}, $this->options->headers()));
         $lines = array_merge($lines, $this->package->dump());
         $lines = array_merge($lines, $this->getRelations());
         $lines[] = '@enduml';