Fix broken link in param description of storage-resize-images

Author: rachelsaunders

storage-resize-images/extension.yaml

@@ -122,7 +122,7 @@ params:
       `/images/original.jpg`, then the resized image is stored at
       `/images/thumbs/original_200x200.jpg`. If you prefer to store resized
       images at the root of your bucket, leave this field empty. Learn more about
-      [how this parameter works](https://firebase.google.com/products/extensions/storage-resize-image).
+      [how this parameter works](https://firebase.google.com/products/extensions/storage-resize-images).
     example: thumbnails
     required: false