diff --git a/docs/getting-started.md b/docs/getting-started.md
index 3a435d0..d7f83d2 100644
--- a/docs/getting-started.md
+++ b/docs/getting-started.md
@@ -37,8 +37,8 @@ Since the output of the `manifest.json` is fixed, we're limited with the Loader.
 **manifest.json**
 ```json
 {
-    "script.js": "/public/path/script.23dafsf2138d.js",
-    "style.css": "style.23dafsf2138d.css"
+    "script-handle": "/public/path/script.23dafsf2138d.js",
+    "style-handle": "style.23dafsf2138d.css"
 }
 ```
 
@@ -54,16 +54,16 @@ add_action(
 	AssetManager::ACTION_SETUP,
 	function(AssetManager $assetManager) {
         $assetManager->extendAsset(
-            Style::class, 
-            'style.css',
+            'style-handle',
+            Style::class,
             [
                 'inline' => ['before' => ':root { --black: #000; }']
                 'enqueue' => false,
             ]
         );
         $assetManager->extendAsset(
+            'script-handle',
             Script::class,
-            'script.js',
             [
                 'enqueue' => static fn(): bool => is_user_logged_in(),
                 'inFooter' => true,
diff --git a/src/AssetManager.php b/src/AssetManager.php
index e01bd47..ebac872 100644
--- a/src/AssetManager.php
+++ b/src/AssetManager.php
@@ -139,13 +139,13 @@ public function asset(string $handle, ?string $type = null): ?Asset
     }
 
     /**
-     * @param string $type
      * @param string $handle
+     * @param string $type
      * @param AssetExtensionConfig $extensions
      *
      * @return $this
      */
-    public function extendAsset(string $type, string $handle, array $extensions): AssetManager
+    public function extendAsset(string $handle, string $type, array $extensions): AssetManager
     {
         $existingExtension = $this->extensions[$type][$handle] ?? [];
         $extensions = array_merge_recursive($existingExtension, $extensions);
@@ -162,12 +162,12 @@ public function extendAsset(string $type, string $handle, array $extensions): As
     }
 
     /**
-     * @param string $type
      * @param string $handle
+     * @param string $type
      *
      * @return AssetExtensionConfig
      */
-    public function assetExtensions(string $type, string $handle): array
+    public function assetExtensions(string $handle, string $type): array
     {
         return $this->extensions[$type][$handle] ?? [];
     }
@@ -181,7 +181,7 @@ protected function extendAndRegisterAsset(Asset $asset): AssetManager
     {
         $handle = $asset->handle();
         $type = get_class($asset);
-        $extensions = $this->assetExtensions($type, $handle);
+        $extensions = $this->assetExtensions($handle, $type);
         if (count($extensions) > 0 && !$this->isAssetProcessed($asset)) {
             $asset = AssetFactory::configureAsset($asset, $extensions);
         }
diff --git a/tests/phpunit/Unit/AssetManagerTest.php b/tests/phpunit/Unit/AssetManagerTest.php
index 514c1a7..d9778b1 100644
--- a/tests/phpunit/Unit/AssetManagerTest.php
+++ b/tests/phpunit/Unit/AssetManagerTest.php
@@ -128,7 +128,7 @@ public function testWithAssetExtension(): void
         $handle = 'foo';
 
         $assetManager = $this->factoryAssetManager();
-        $assetManager->extendAsset(Script::class, $handle, ['enqueue' => false]);
+        $assetManager->extendAsset($handle, Script::class, ['enqueue' => false]);
 
         $script = new Script($handle, '');
         $script->canEnqueue(true);
@@ -142,6 +142,7 @@ public function testWithAssetExtension(): void
 
         $asset = $assetManager->asset($handle, Script::class);
         static::assertFalse($asset->enqueue());
+        static::assertCount(1, $assetManager->assetExtensions($handle, Script::class));
     }
 
     public function testWithAssetExtensionInSetupAction(): void
@@ -157,7 +158,7 @@ public function testWithAssetExtensionInSetupAction(): void
             ->once()
             ->with($assetManager)
             ->whenHappen(static function (AssetManager $manager) use ($handle, $script) {
-                $manager->extendAsset(Script::class, $handle, ['enqueue' => false]);
+                $manager->extendAsset($handle, Script::class, ['enqueue' => false]);
                 $manager->register($script);
             });
 
@@ -184,7 +185,7 @@ public function testWithAssetExtensionAfterSetup(): void
         $asset = $assetManager->asset($handle, Script::class);
 
         // Extend the Asset after it is being accessed but before being processed.
-        $assetManager->extendAsset(Script::class, $handle, ['enqueue' => false]);
+        $assetManager->extendAsset($handle, Script::class, ['enqueue' => false]);
         static::assertFalse($asset->enqueue());
     }