Update app.py

app.py

@@ -43,7 +43,7 @@ def process_pdfs(pdf_files):
     return all_chunks
 
 # Add the paths to your desired knowledge base PDFs
-reference_documents = ["Primary sources for Summative Project.pdf"]
+reference_documents = ["knowledge_base.pdf"]
 text_chunks = process_pdfs(reference_documents)
 
 instructions = os.getenv('INSTRUCTIONS')