diff --git a/src/CodeStencilHelpers.php b/src/CodeStencilHelpers.php
index 7bf867b..2d747da 100644
--- a/src/CodeStencilHelpers.php
+++ b/src/CodeStencilHelpers.php
@@ -26,7 +26,7 @@ public function multilineComment(string|array $comment): static
         return $this->foreach($lines, fn(self $s, string $line) => $s->line($line));
     }
 
-    public function phpdoc(string|array $summary = null, string|array $description = null, array $tags = null): static
+    public function phpdoc(string|array|null $summary = null, string|array|null $description = null, ?array $tags = null): static
     {
         if ($summary === null) {
             $summary = [];
diff --git a/src/Stencil.php b/src/Stencil.php
index ecc4da7..91d7db4 100644
--- a/src/Stencil.php
+++ b/src/Stencil.php
@@ -3,10 +3,11 @@
 namespace CodeStencil;
 
 use Closure;
-use function CodeStencil\Utility\array_flatten;
 use Illuminate\Support\Traits\Conditionable;
 use Illuminate\Support\Traits\Macroable;
 
+use function CodeStencil\Utility\array_flatten;
+
 class Stencil
 {
     use CodeStencilHelpers;