Update README.md

README.md

@@ -88,8 +88,9 @@ To use it as a vector, you need to parse it into a list of floats or NumPy array
 ```python
 import pandas as pd
 import json
+# The Pyarrow library must be installed in your Python environment for this example. By doing => pip install pyarrow
 
-df = pd.read_parquet("constit-latest.parquet")
+df = pd.read_parquet(path="constit-latest/") # Assuming that all parquet files are located into this folder
 df["embeddings_bge-m3"] = df["embeddings_bge-m3"].apply(json.loads)
 ```