diff --git a/trame/assets/remote.py b/trame/assets/remote.py
index 1dbf0aaf..09d4a205 100644
--- a/trame/assets/remote.py
+++ b/trame/assets/remote.py
@@ -39,6 +39,10 @@ def save_response_content(response, destination):
 
 
 class AbstractRemoteFile:
+    """
+    AbstractRemoteFile provide infrastructure for RemoteFile where
+    only the method fetch() needs to be defined for a concreate implementation.
+    """
     def __init__(self, local_path=None, local_base=None):
         # setup base path
         self._base = os.getcwd()