diff --git a/examples/1ptracer/doc/1pmodel.md b/examples/1ptracer/doc/1pmodel.md
index bb47e062d28a791cde2f6d2b37ff17cd1f1f504d..62e42912b48aa9709754ab9dde3ce585061182be 100644
--- a/examples/1ptracer/doc/1pmodel.md
+++ b/examples/1ptracer/doc/1pmodel.md
@@ -26,8 +26,8 @@ The documentation provided in the sequel is structured as follows:
 In this file, the type tag used for the single-phase flow simulation is defined,
 for which we then specialize `properties` to the needs of the desired setup.
 
-### Include files
-<details>
+### Includes
+<details><summary> Click to show includes</summary>
 
 The `OneP` type tag specializes most of the `properties` required for single-
 phase flow simulations in DuMuX. We will use this in the following to inherit the
diff --git a/examples/1ptracer/properties_1p.hh b/examples/1ptracer/properties_1p.hh
index 088af0e7a37d722cf72ff754d839b7e0527ab7a4..0cbbe1993ac37f635ef9120baece677069ffa08e 100644
--- a/examples/1ptracer/properties_1p.hh
+++ b/examples/1ptracer/properties_1p.hh
@@ -25,8 +25,8 @@
 // In this file, the type tag used for the single-phase flow simulation is defined,
 // for which we then specialize `properties` to the needs of the desired setup.
 //
-// ### Include files
-// <details>
+// ### Includes
+// [[details]] includes
 //
 // The `OneP` type tag specializes most of the `properties` required for single-
 // phase flow simulations in DuMuX. We will use this in the following to inherit the
@@ -49,7 +49,7 @@
 // We include the problem and spatial parameters headers used for this simulation.
 #include "problem_1p.hh"
 #include "spatialparams_1p.hh"
-// </details>
+// [[/details]]
 //
 // ### Type tag definition
 //