Update README.md

README.md

@@ -566,11 +566,16 @@ Use `textsum` in python with this model:
 ```python
 from textsum.summarize import Summarizer
 
-summarizer = Summarizer(model_name_or_path="pszemraj/long-t5-tglobal-base-16384-book-summary")
+summarizer = Summarizer(
+    model_name_or_path="pszemraj/long-t5-tglobal-xl-16384-book-summary"
+)
 
 # summarize a long string
-out_str = summarizer.summarize_string('This is a long string of text that will be summarized.')
-print(f'summary: {out_str}')
+out_str = summarizer.summarize_string(
+    "This is a long string of text that will be summarized."
+)
+print(f"summary: {out_str}")
+
 ```
 
 This package provides easy-to-use interfaces for using summarization models on text documents of arbitrary length. Currently implemented interfaces include a python API, CLI, and a shareable demo app.