Update README.md

The T5-base-summarization-claim-extractor model is truly impressive in its ability to extract atomic claims from summaries. We would love to contribute by updating the README to include detailed information about the base model. This would help address the current gap in the model card.

README.md

@@ -5,9 +5,20 @@ language:
 license:
 - cc-by-nc-sa-4.0
 widget:
-- text: "A major tech company has unveiled its first fully autonomous electric vehicle, boasting a range of 500 miles per charge and advanced safety features designed to revolutionize the transportation industry."
-- text: "A new global initiative to clean up ocean plastic aims to remove 50% of floating debris within a decade, using innovative autonomous vessels powered by renewable energy."
-- text: "A historic peace agreement was signed between two long-standing rival nations, marking a turning point in diplomatic relations and promising economic and social cooperation for years to come."
+- text: >-
+    A major tech company has unveiled its first fully autonomous electric
+    vehicle, boasting a range of 500 miles per charge and advanced safety
+    features designed to revolutionize the transportation industry.
+- text: >-
+    A new global initiative to clean up ocean plastic aims to remove 50% of
+    floating debris within a decade, using innovative autonomous vessels powered
+    by renewable energy.
+- text: >-
+    A historic peace agreement was signed between two long-standing rival
+    nations, marking a turning point in diplomatic relations and promising
+    economic and social cooperation for years to come.
+base_model:
+- google/flan-t5-base
 ---
 # Model Card: T5-base-summarization-claim-extractor