add link

Author: kevinjqliu

pyiceberg/io/pyarrow.py

@@ -504,6 +504,7 @@ def _initialize_s3_fs(self, netloc: Optional[str]) -> FileSystem:
         return S3FileSystem(**client_kwargs)
 
     def _initialize_azure_fs(self) -> FileSystem:
+        # https://arrow.apache.org/docs/python/generated/pyarrow.fs.AzureFileSystem.html
         from packaging import version
 
         MIN_PYARROW_VERSION_SUPPORTING_AZURE_FS = "20.0.0"