diff --git a/bin/split-repo.php b/bin/split-repo.php
index 694ea1d8..314c0c0b 100644
--- a/bin/split-repo.php
+++ b/bin/split-repo.php
@@ -16,9 +16,9 @@
     public function entry(): int
     {
         return match (true) {
-            'validate' === $this->CMD => $this->validate(),
-            'realize' === $this->CMD  => $this->realise(),
-            default                   => 0,
+            'validate' === $this->CMD   => $this->validate(),
+            'realise' === $this->CMD    => $this->realise(),
+            default                     => 0,
         };
     }
 
@@ -99,6 +99,8 @@ public function validate(): int
      * Update Composer pacakge version by compire with current verstion.
      *
      * @param string[] $packages
+     *
+     * @return array<string, mixed>
      */
     public function updateComposerVersion(string $path, array $packages, string $version): array
     {