Update model id in usage snippet

README.md

@@ -82,7 +82,7 @@ You can then run inference with this model like so:
 from span_marker import SpanMarkerModel
 
 # Download from the 🤗 Hub
-model = SpanMarkerModel.from_pretrained("tomaarsen/span_marker_bert_base_acronyms")
+model = SpanMarkerModel.from_pretrained("tomaarsen/span-marker-bert-base-acronyms")
 # Run inference
 entities = model.predict("Compression algorithms like Principal Component Analysis (PCA) can reduce noise and complexity.")
 ```