Update README.md

README.md

@@ -95,7 +95,7 @@ The **WikiRS** dataset, composed of triplets of images, species list and Wikiped
 - id (string): Unique site/sample identifier
 - EUNIS (ClassLabel): Habitat class label. Original codes remapped to contiguous indices to handle gaps.
 - species_list (list[string]): All species recorded at the site.
-- image (Image): PNG version of original TIFF image (from `swissimage/{id}.tif` in the raw data), loaded as PIL image.
+- image (Image): PIL image from TIFF file (`swissimage/{id}.tif` in the raw data).
 - species_text (json string): Aggregated JSON data per species (from `wiki/{species_name}.json` in the raw data), keyed by binomial_name, including keywords, habitat_section, and random_sentences.
 
 ### Notes