diff --git a/socs/db/suprsync.py b/socs/db/suprsync.py
index 9b804e8ec..ef9ca86fd 100644
--- a/socs/db/suprsync.py
+++ b/socs/db/suprsync.py
@@ -405,6 +405,7 @@ def get_known_files(self, archive_name, session=None, min_ctime=None):
             session : sqlalchemy session
                 Session to use to query files.
             min_ctime : float, optional
+                minimum ctime to use when querying files.
 
         """
         if session is None: