diff --git a/README.md b/README.md
index 1c54519..31c3262 100644
--- a/README.md
+++ b/README.md
@@ -137,7 +137,7 @@ Some metadata can be stored into `extras()` method, without typing, directly fro
 
 ```php
 $ebook->extras(); // array<string, mixed> => additional data for book
-$ebook->extrasExtract(string $key); // mixed => safely extract data from `extras` array
+$ebook->extra(string $key); // mixed => safely extract data from `extras` array
 ```
 
 To get additional data, you can use these methods:
diff --git a/composer.json b/composer.json
index 768f8e4..5b78866 100644
--- a/composer.json
+++ b/composer.json
@@ -1,7 +1,7 @@
 {
     "name": "kiwilan/php-ebook",
     "description": "PHP package to read metadata and extract covers from eBooks (.epub, .cbz, .cbr, .cb7, .cbt, .pdf) and audiobooks (.mp3, .m4a, .m4b, .flac, .ogg).",
-    "version": "1.3.36",
+    "version": "1.3.4",
     "keywords": [
         "php",
         "ebook",
diff --git a/src/Ebook.php b/src/Ebook.php
index 85acc89..f178eca 100755
--- a/src/Ebook.php
+++ b/src/Ebook.php
@@ -509,7 +509,7 @@ public function extras(): array
     /**
      * Get key from `extras` safely.
      */
-    public function extrasExtract(string $key): mixed
+    public function extra(string $key): mixed
     {
         if (! array_key_exists($key, $this->extras)) {
             return null;
diff --git a/tests/EpubTest.php b/tests/EpubTest.php
index f3d9726..262c798 100644
--- a/tests/EpubTest.php
+++ b/tests/EpubTest.php
@@ -41,8 +41,8 @@
     expect($ebook->extras()['contributor'])->toBeString();
     expect($ebook->extras()['rating'])->toBeFloat();
     expect($ebook->extras()['rating'])->toBe(10.0);
-    expect($ebook->extrasExtract('contributor'))->toBeString();
-    expect($ebook->extrasExtract('contributora'))->toBeNull();
+    expect($ebook->extra('contributor'))->toBeString();
+    expect($ebook->extra('contributora'))->toBeNull();
 
     $metadata = $ebook->metadata();
     expect($metadata->toArray())->toBeArray();