Update Options.php

norkunas · Dec 8, 2024 · 1bc87ce · 1bc87ce
1 parent 5d52f36
commit 1bc87ce
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/Options.php b/src/Options.php
@@ -150,7 +150,7 @@ class Options
     // Thumbnail Images Options
     private bool $writeThumbnail = false;
     private bool $writeAllThumbnails = false;
-    private string $convertThumbnail ;
+    private string $convertThumbnail = null ;
 
 
     // Verbosity / Simulation Options
@@ -1027,6 +1027,7 @@ public function writeThumbnail(bool $writeThumbnail): self
 
     /**
      * Convert thumbnail to another format.
+     * supported: jpg, png, webp
      */
     public function convertThumbnail(string $format): self
     {