Formatting changes

Author: bilgeyucel

index.toml

@@ -350,7 +350,7 @@ new = true
 
 
 [[cookbook]]
-title = "Improving Postgres Keyword Search to avoid zero results"
+title = "Improving PostgreSQL Keyword Search to Avoid Empty Results"
 notebook = "improving_pgvector_keyword_search.ipynb"
 topics = ["Advanced Retrieval", "Customization"]
 new = true