1 files changed, 2 insertions, 2 deletions

diff --git a/src/mailman/interfaces/pending.py b/src/mailman/interfaces/pending.py
index 09c8b44cb..7420fcdb2 100644
--- a/src/mailman/interfaces/pending.py
+++ b/src/mailman/interfaces/pending.py
@@ -82,11 +82,11 @@ class IPendings(Interface):
         :return: A token string for inclusion in urls and email confirmations.
         """
 
-    def confirm(token, expunge=True):
+    def confirm(token, *, expunge=True):
         """Return the IPendable matching the token.
 
         :param token: The token string for the IPendable given by the `.add()`
-            method.
+            method, or None if there is no record associated with the token.
         :param expunge: A flag indicating whether the pendable record should
             also be removed from the database or not.
         :return: The matching IPendable or None if no match was found.