diff --git a/oauthenticator/oauth2.py b/oauthenticator/oauth2.py
index 1c882b3e..793643a0 100644
--- a/oauthenticator/oauth2.py
+++ b/oauthenticator/oauth2.py
@@ -801,7 +801,9 @@ def user_info_to_username(self, user_info):
         else:
             username = user_info.get(self.username_claim, None)
         if not username:
-            message = (f"No {self.username_claim} found in {user_info}",)
+            message = (
+                f"No {self.username_claim} found in {user_info}. Maybe the hub needs to be configured to request more scopes?",
+            )
             self.log.error(message)
             raise ValueError(message)