diff --git a/README.md b/README.md
index 54878a3c..992fab88 100644
--- a/README.md
+++ b/README.md
@@ -46,7 +46,7 @@ This file stores essential metadata in JSON format. **Make sure you adhere to th
 - **downloadURL**: A direct link to the latest version of your released mod. (Can be same as `repo` if no separate download link exists.)
 
 ### 3. thumbnail.jpg (Optional)
-If included, this image will appear alongside your mod in the index. Maximum and recommended size is 1920 × 500 pixels.
+If included, this image will appear alongside your mod in the index. Maximum and recommended size is 1920 × 1080 pixels.
 
 ## How to Publish