diff --git a/MaterialLib/MPL/Properties/KozenyCarmanModel.h b/MaterialLib/MPL/Properties/KozenyCarmanModel.h
index b06145aae8ec2d81fbf17b5cafd6aad06391b395..bbb0a2febd967e21330dca614c75178d2000b00b 100644
--- a/MaterialLib/MPL/Properties/KozenyCarmanModel.h
+++ b/MaterialLib/MPL/Properties/KozenyCarmanModel.h
@@ -21,7 +21,7 @@ namespace MaterialPropertyLib
  * \f[
  * k = k_0 \left( \frac{1 - \phi_0}{1 - \phi} \right)^2 \left(
  * \frac{\phi}{\phi_0} \right)^3, \f] where \f$k\f$ is the permeability,
- * \fk_0\f$ is the initial permeability,
+ * \f$k_0\f$ is the initial permeability,
  * \f$\phi\f$ is the porosity, and
  * \f$\phi_0\f$ is the initial porosity.
  */
diff --git a/ProcessLib/HydroMechanics/HydroMechanicsFEM.h b/ProcessLib/HydroMechanics/HydroMechanicsFEM.h
index 9b213869548accc0615980fef3fb13b4dac0a8dd..e9e1dc3329022f298d9a2f684cca867cd1a34762 100644
--- a/ProcessLib/HydroMechanics/HydroMechanicsFEM.h
+++ b/ProcessLib/HydroMechanics/HydroMechanicsFEM.h
@@ -283,7 +283,7 @@ private:
      *
      * @param t               Time
      * @param dt              Time increment
-     * @param local_xs         Nodal values of \f$x\f$ of an element of all
+     * @param local_x         Nodal values of \f$x\f$ of an element of all
      * coupled processes.
      * @param local_b_data    Right hand side vector of an element.
      * @param local_Jac_data  Element Jacobian matrix for the Newton-Raphson
@@ -308,9 +308,9 @@ private:
      *
      * @param t               Time
      * @param dt              Time increment
-     * @param local_xs         Nodal values of \f$x\f$ of an element  of all
+     * @param local_x         Nodal values of \f$x\f$ of an element  of all
      * coupled processes.
-     * @param local_dot_xs      Nodal values of \f$\dot{x}\f$ of an element  of
+     * @param local_xdot      Nodal values of \f$\dot{x}\f$ of an element  of
      * all coupled processes.
      * @param local_b_data    Right hand side vector of an element.
      * @param local_Jac_data  Element Jacobian matrix for the Newton-Raphson
diff --git a/ProcessLib/ThermoMechanics/ThermoMechanicsFEM.h b/ProcessLib/ThermoMechanics/ThermoMechanicsFEM.h
index 7d35ad59fc608def212e9b3544525a7bee210d55..f677c9f17a222f64cd4c2aaa5511fc3c2425124e 100644
--- a/ProcessLib/ThermoMechanics/ThermoMechanicsFEM.h
+++ b/ProcessLib/ThermoMechanics/ThermoMechanicsFEM.h
@@ -261,9 +261,9 @@ private:
      *
      * @param t               Time
      * @param dt              Time increment
-     * @param local_xs         Nodal values of \f$x\f$ of all processes of an
+     * @param local_x         Nodal values of \f$x\f$ of all processes of an
      * element.
-     * @param local_dot_xs     Nodal values of \f$\dot{x}\f$ of all processes of
+     * @param local_xdot      Nodal values of \f$\dot{x}\f$ of all processes of
      * an element.
      * @param local_b_data    Right hand side vector of an element.
      * @param local_Jac_data  Element Jacobian matrix for the Newton-Raphson
@@ -287,9 +287,9 @@ private:
      *
      * @param t               Time
      * @param dt              Time increment
-     * @param local_xs         Nodal values of \f$x\f$ of all processes of an
+     * @param local_x         Nodal values of \f$x\f$ of all processes of an
      * element.
-     * @param local_dot_xs     Nodal values of \f$\dot{x}\f$ of all processes of
+     * @param local_xdot      Nodal values of \f$\dot{x}\f$ of all processes of
      * an element.
      * @param local_b_data    Right hand side vector of an element.
      * @param local_Jac_data  Element Jacobian matrix for the Newton-Raphson