update model name

app.py

@@ -23,7 +23,7 @@ Pasta is delicious, but there are too many pasta types to remember. This app wil
 recall the name of the pasta whose image you'll upload.
 
 Under the hood it's a pasta classifier, built using Fast.ai by fine-tuning the
-`convnext_base_in22ft1k` model. It supports only the followig pasta types:
+`convnext_small_in22k` model. It supports only the followig pasta types:
 
 * Campanelle
 * Ditalini