Update app.py

app.py

@@ -34,8 +34,8 @@ def tiktoken_len(text):
     return len(tokens)
 
 text_splitter = RecursiveCharacterTextSplitter(
-    chunk_size=800,
-    chunk_overlap=400,
+    chunk_size=700,
+    chunk_overlap=350,
     length_function=tiktoken_len,
     separators=["\n\n", "\n", " ", ""]
 )