update comment.

Co-authored-by: Ryan Ly <[email protected]>

lindi/LindiH5pyFile/LindiH5pyFile.py

@@ -42,7 +42,7 @@ def from_reference_file_system(rfs: Union[dict, str], mode: Literal["r", "r+"] =
             path), the file itself will not be modified on changes, but the
             internal in-memory representation will be modified. Use
             to_reference_file_system() to export the updated reference file
-            system.
+            system to the same file or a new file.
         """
         if isinstance(rfs, str):
             if rfs.startswith("http") or rfs.startswith("https"):