Update README.md

Author: adityapatadia

README.md

@@ -180,7 +180,7 @@ $image->resize(800, 600);
 $image->save('image2.jpg');
 ```
 
-By default they are set to 75 and 0 respectively. See the manual entries for [`imagejpeg()`](http://www.php.net/manual/en/function.imagejpeg.php) and [`imagepng()`](http://www.php.net/manual/en/function.imagepng.php) for more info.
+By default they are set to 85 and 6 respectively. See the manual entries for [`imagejpeg()`](http://www.php.net/manual/en/function.imagejpeg.php) and [`imagepng()`](http://www.php.net/manual/en/function.imagepng.php) for more info.
 
 You can also pass the quality directly to the `save()`, `output()` and `getImageAsString()` methods: