diff --git a/ingest_pdfs.py b/ingest_pdfs.py
index 4f97523..966dcac 100644
--- a/ingest_pdfs.py
+++ b/ingest_pdfs.py
@@ -58,7 +58,7 @@ def get_crossref(doi):
                 work.get("link", [None])[0]["URL"] if work.get("link", None) else None
             ),
             "language": work.get("language", None),
-        }
+        } 
         return metadata
     except Exception as e:
         print(f"Error retrieving metadata for DOI {doi}: {e}")