Update app.py

app.py

@@ -115,7 +115,7 @@ def main():
         options=list(range(2, 16)), 
         value=4  
     )
-    retriever = create_retriever_from_chroma(vectorstore_path="docs/chroma/", search_type=search_type, k=k, chunk_size=300, chunk_overlap=30)
+    retriever = create_retriever_from_chroma(vectorstore_path="docs/chroma/", search_type=search_type, k=k, chunk_size=600, chunk_overlap=30)
     rag_chain = create_conversational_rag_chain(retriever)