updated subtitle

app/src/content/article.mdx

@@ -1,8 +1,8 @@
 ---
 title: 'The Synthetic Data Playbook:<br/> Generating Trillions of the Finest Tokens'
 subtitle: >-
-  A practical journey through the challenges, decisions, and messy reality
-  behind training state-of-the-art language models
+  How to turn noisy web text into state-of-the-art pretraining data with the
+  right prompts, models, and infrastructure
 description: 'The Synthetic Data Playbook: Generating Trillions of the Finest Tokens'
 authors:
   - name: Joel Niklaus