diff --git a/.drone.yml b/.drone.yml
index daf5886f3a..e49bd0725d 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -29,6 +29,11 @@ pipeline:
             - pip install twine
             - python setup.py sdist
             - twine check dist/*
+    check_doc:
+        image: ${IMAGE]
+        commands:
+            - pip install sphinx
+            - python -m sphinx -T -E -W -n -b html doc _build/html
 
 services:
     postgresql:
diff --git a/doc/design.rst b/doc/design.rst
index cae0a36d29..27cc19d6c3 100644
--- a/doc/design.rst
+++ b/doc/design.rst
@@ -21,8 +21,8 @@ also possible to track the actual time and effort required.
 
 If timesheets are selected to be used, then the time spent on the work can
 be recorded by `Employees <company:model-company.employee>` by creating
-`Timesheet Lines <timesheet:model-timesheet.line>` with the right
-`Timesheet Works <timesheet:model-timesheet.work>`.
+:doc:`Timesheet Lines <timesheet:index>` with the right :doc:`Timesheet Works
+<timesheet:index>`.
 The *Timesheet Works* for the *Work Efforts* are automatically created and
 deleted as needed.