diff --git a/doc/090_participating.rst b/doc/090_participating.rst
index 3dd59294d..7c7e0e72b 100644
--- a/doc/090_participating.rst
+++ b/doc/090_participating.rst
@@ -83,10 +83,9 @@ back end is contained in `Design <https://restic.readthedocs.io/en/latest/design
 If you'd like to start contributing to restic, but don't know exactly
 what do to, have a look at this great article by Dave Cheney:
 `Suggestions for contributing to an Open Source
-project <https://dave.cheney.net/2016/03/12/suggestions-for-contributing-to-an-open-source-project>`__
+project <https://dave.cheney.net/2016/03/12/suggestions-for-contributing-to-an-open-source-project>`__.
 A few issues have been tagged with the label ``help wanted``, you can
-start looking at those:
-https://github.com/restic/restic/labels/help%20wanted
+start looking at `those <https://github.com/restic/restic/labels/help%3A%20wanted>`_.
 
 ********
 Security