diff --git a/doc/doxygen/modules.txt b/doc/doxygen/modules.txt
index e78232ba1d0e39dd6316a24f2abd80cffcca528b..0b37e26bf1f1b5f2e7a06335c931c06bab073a9e 100644
--- a/doc/doxygen/modules.txt
+++ b/doc/doxygen/modules.txt
@@ -410,7 +410,7 @@
  *  - __Fluid state:__ <br> @copydoc FluidStates
  *  - __Solid state:__ <br> @copydoc SolidStates
  *  - __Fluid system:__ <br> @copydoc Fluidsystems
- *  - __Solid system:__ <br> @copydoc Solidsystems
+ *  - __Solid system:__ <br> @copydoc SolidSystems
  *  - __Spatial Parameters:__ <br> @copydoc SpatialParameters
  */
     /*!