diff --git a/doc/testing.rst b/doc/testing.rst
index 7556564523df75b5497cb01f7f303536396e17d2..ccf2189f84bd1bc5c1cd6379601f072567f6bff8 100644
--- a/doc/testing.rst
+++ b/doc/testing.rst
@@ -16,7 +16,7 @@ the Mutalyzer source directory.
           tests.
 
 By default, the tests use an in-memory SQLite database. This can be customized
-with the ``--database-uri` command line argument and a valid `SQLAlchemy
+with the ``--database-uri`` command line argument and a valid `SQLAlchemy
 connection URI
 <http://docs.sqlalchemy.org/en/rel_1_0/core/engines.html#database-urls>`_
 (obviously, the contents of this database will be lost). For example, to use