Update README.md

Correcting title.

README.md

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 pipeline_tag: text-classification
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-# 🛫 Big Bird Flight
+# 🛫 Big Bird Flight 2
 Big Bird Flight 2 is a fine-tuned version of Google’s BigBird model, optimised for long-text sentiment analysis. Big Bird Flight 2 is an improved version of Big Bird Flight 1. The model records a 16% improved accuracy over its predecessor. Both models was trained on 2,598 flight review texts, each annotated with a 10-point ordinal sentiment rating ranging from 1 (extremely negative) to 10 (extremely positive).
 
 Just like its predecessor, Big Bird 2 captures emotional gradients in text, offering richer sentiment analysis than conventional binary classification (e.g., positive vs. negative). This makes it particularly useful for applications requiring fine-grained sentiment understanding from lengthy or detailed customer feedback.