diff --git a/dumux/material/components/granite.hh b/dumux/material/components/granite.hh
index 538a0e00e227742a65a0dc2558e6b6bc70285738..482bdd414d7e481f2adb8cc2d2d6b99d95cdd085 100644
--- a/dumux/material/components/granite.hh
+++ b/dumux/material/components/granite.hh
@@ -71,7 +71,7 @@ public:
      *  and its dependence upon temperature and composition."
      * American Journal of Science 238.8 (1940): 529-558.
      * https://doi.org/10.2475/ajs.238.8.529
-     * Table 6: \lambda(T=273.15 K)=6.6 cal/(cm*s*degC) and 1 cal /(cm*s*degC) = 418.4 W/(m*K)
+     * Table 6: lambda(T=273.15 K)=6.6 cal/(cm*s*degC) and 1 cal /(cm*s*degC) = 418.4 W/(m*K)
      * \param temperature temperature of component in \f$\mathrm{[K]}\f$
      */
     static Scalar solidThermalConductivity(Scalar temperature)