diff --git a/doc/api/resources/checkinlists.rst b/doc/api/resources/checkinlists.rst
index a96713a73..d0c0c0233 100644
--- a/doc/api/resources/checkinlists.rst
+++ b/doc/api/resources/checkinlists.rst
@@ -620,7 +620,7 @@ Order position endpoints
    :<json datetime datetime: Specifies the datetime of the check-in. If not supplied, the current time will be used.
    :<json boolean force: Specifies that the check-in should succeed regardless of revoked barcode, previous check-ins or required
                          questions that have not been filled. This is usually used to upload offline scans that already happened,
-                         because there's no point in validating them since they happend whether they are valid or not. Defaults to ``false``.
+                         because there's no point in validating them since they happened whether they are valid or not. Defaults to ``false``.
    :<json string type: Send ``"exit"`` for an exit and ``"entry"`` (default) for an entry.
    :<json boolean ignore_unpaid: Specifies that the check-in should succeed even if the order is in pending state.
                                  Defaults to ``false`` and only works when ``include_pending`` is set on the check-in
diff --git a/src/pretix/api/pagination.py b/src/pretix/api/pagination.py
index a417a3c87..f7f4298ed 100644
--- a/src/pretix/api/pagination.py
+++ b/src/pretix/api/pagination.py
@@ -1,3 +1,24 @@
+#
+# This file is part of pretix (Community Edition).
+#
+# Copyright (C) 2014-2020 Raphael Michel and contributors
+# Copyright (C) 2020-2021 rami.io GmbH and contributors
+#
+# This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
+# Public License as published by the Free Software Foundation in version 3 of the License.
+#
+# ADDITIONAL TERMS APPLY: Pursuant to Section 7 of the GNU Affero General Public License, additional terms are
+# applicable granting you additional permissions and placing additional restrictions on your usage of this software.
+# Please refer to the pretix LICENSE file to obtain the full terms applicable to this work. If you did not receive
+# this file, see <https://pretix.eu/about/en/license>.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
+# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Affero General Public License along with this program.  If not, see
+# <https://www.gnu.org/licenses/>.
+#
 from rest_framework.pagination import PageNumberPagination