diff --git a/docs/tutorial/preliminary.rst b/docs/tutorial/preliminary.rst
index bef3b457c..07cc119be 100644
--- a/docs/tutorial/preliminary.rst
+++ b/docs/tutorial/preliminary.rst
@@ -79,4 +79,4 @@ The Rougail CLI can output a rather complete view of the dataset:
    - :term:`variable`: an option's name wich has a value
    - a variable's description
    - a variable's default value
-   - the integrator and operator role
+   - the :term:`integrator` and :term:`operator` role