diff --git a/docs/developer/testing.rst b/docs/developer/testing.rst
index 8e1f08dc..97ba7d1c 100644
--- a/docs/developer/testing.rst
+++ b/docs/developer/testing.rst
@@ -21,9 +21,9 @@ In addition, the fakes are relatively complex and may diverge from the real impl
 
 To mitigate these problems, the fake client is tested alongside a real client.
 But to (mostly) avoid the downsides stated in the beginning, the real client is connected to a local SciCat server.
-See ``src/testing/backend.py`` and ``tests/conftest.py`` for the concrete setup.
+See the `src/scitacean/backend <https://github.com/SciCatProject/scitacean/tree/main/src/scitacean/testing/backend>`_ folder and `tests/conftest.py <https://github.com/SciCatProject/scitacean/blob/main/tests/conftest.py>`_ file for the concrete setup.
 The backend is launched in a docker container with the image of the latest release of the SciCat backend.
-Tests in ``tests/client`` are then run with both the fake and the real client to ensure that both produce the same results.
+Tests in `tests/client <https://github.com/SciCatProject/scitacean/tree/main/tests/client>`_ are then run with both the fake and the real client to ensure that both produce the same results.
 
 Use ``--backend-tests`` with ``pytest`` to run these tests.
 
@@ -31,9 +31,9 @@ SFTP file transfer
 ------------------
 
 Testing :class:`scitacean.transfer.sftp.SFTPFileTransfer` requires an SFTP server.
-``tests/common/sftp_server.py`` contains helpers for managing one via Docker.
+:mod:`scitacean.testing.sftp` contains helpers for managing one via Docker.
 Tests can use it by depending on the ``sftp_fileserver`` fixture.
-See the documentation in ``tests/common/sftp_server.py`` for how it works.
+See the `documentation <https://scicatproject.github.io/scitacean/user-guide/testing.html#Local-SFTP-fileserver>`_ for how it works.
 
 Note that those tests may leave a small directory behind.
 This is an issue with file ownership and permissions caused by making the Docker volumes writable.