diff --git a/ProcessLib/HydroMechanics/HydroMechanicsFEM.h b/ProcessLib/HydroMechanics/HydroMechanicsFEM.h
index a00bdc1a0b23c3f96e1cc5c55ba0f0c6b0d79275..98602f0b1ebeae3853112578ad9180c01d3400f9 100644
--- a/ProcessLib/HydroMechanics/HydroMechanicsFEM.h
+++ b/ProcessLib/HydroMechanics/HydroMechanicsFEM.h
@@ -93,7 +93,7 @@ struct IntegrationPointData final
     EIGEN_MAKE_ALIGNED_OPERATOR_NEW;
 };
 
-/// Used by for extrapolation of the integration point values. It is ordered
+/// Used for the extrapolation of the integration point values. It is ordered
 /// (and stored) by integration points.
 template <typename ShapeMatrixType>
 struct SecondaryData
diff --git a/ProcessLib/LIE/SmallDeformation/LocalAssembler/SecondaryData.h b/ProcessLib/LIE/SmallDeformation/LocalAssembler/SecondaryData.h
index 804efe03754a388ec0fa3b858a062442b20f383d..acc3ba987842edeb46a691e245be1f28038c4beb 100644
--- a/ProcessLib/LIE/SmallDeformation/LocalAssembler/SecondaryData.h
+++ b/ProcessLib/LIE/SmallDeformation/LocalAssembler/SecondaryData.h
@@ -21,7 +21,7 @@ namespace LIE
 {
 namespace SmallDeformation
 {
-/// Used by for extrapolation of the integration point values. It is ordered
+/// Used for the extrapolation of the integration point values. It is ordered
 /// (and stored) by integration points.
 template <typename ShapeMatrixType>
 struct SecondaryData
diff --git a/ProcessLib/PhaseField/PhaseFieldFEM.h b/ProcessLib/PhaseField/PhaseFieldFEM.h
index 32466594ff33e7be0aa24aeb0e7597186bfd45b5..50fb98c75034f452e580e98d662769de391ecbf6 100644
--- a/ProcessLib/PhaseField/PhaseFieldFEM.h
+++ b/ProcessLib/PhaseField/PhaseFieldFEM.h
@@ -94,7 +94,7 @@ struct IntegrationPointData final
         MathLib::KelvinVector::KelvinVectorDimensions<DisplacementDim>::value;
 };
 
-/// Used by for extrapolation of the integration point values. It is ordered
+/// Used for the extrapolation of the integration point values. It is ordered
 /// (and stored) by integration points.
 template <typename ShapeMatrixType>
 struct SecondaryData
diff --git a/ProcessLib/RichardsMechanics/RichardsMechanicsFEM.h b/ProcessLib/RichardsMechanics/RichardsMechanicsFEM.h
index ca91e763e88f150772a0056eb80827889779e930..dda52d152bf335213c343ada300c0abf9a572ca2 100644
--- a/ProcessLib/RichardsMechanics/RichardsMechanicsFEM.h
+++ b/ProcessLib/RichardsMechanics/RichardsMechanicsFEM.h
@@ -31,7 +31,7 @@ namespace ProcessLib
 {
 namespace RichardsMechanics
 {
-/// Used by for extrapolation of the integration point values. It is ordered
+/// Used for the extrapolation of the integration point values. It is ordered
 /// (and stored) by integration points.
 template <typename ShapeMatrixType>
 struct SecondaryData
diff --git a/ProcessLib/SmallDeformation/SmallDeformationFEM.h b/ProcessLib/SmallDeformation/SmallDeformationFEM.h
index f15ad75ede39695bcd23a81cc616517503636d7e..19554fbc6436ea8b41696b1bbd1d3ade38f377f7 100644
--- a/ProcessLib/SmallDeformation/SmallDeformationFEM.h
+++ b/ProcessLib/SmallDeformation/SmallDeformationFEM.h
@@ -69,7 +69,7 @@ struct IntegrationPointData final
     EIGEN_MAKE_ALIGNED_OPERATOR_NEW;
 };
 
-/// Used by for extrapolation of the integration point values. It is ordered
+/// Used for the extrapolation of the integration point values. It is ordered
 /// (and stored) by integration points.
 template <typename ShapeMatrixType>
 struct SecondaryData
diff --git a/ProcessLib/ThermoMechanicalPhaseField/ThermoMechanicalPhaseFieldFEM.h b/ProcessLib/ThermoMechanicalPhaseField/ThermoMechanicalPhaseFieldFEM.h
index 774b7fc7fe79c9856c398de875050b98fcb981e1..e7b4e849fd63c8c369a46a1d0acbbc0d8ec30333 100644
--- a/ProcessLib/ThermoMechanicalPhaseField/ThermoMechanicalPhaseFieldFEM.h
+++ b/ProcessLib/ThermoMechanicalPhaseField/ThermoMechanicalPhaseFieldFEM.h
@@ -97,7 +97,7 @@ struct IntegrationPointData final
     EIGEN_MAKE_ALIGNED_OPERATOR_NEW;
 };
 
-/// Used by for extrapolation of the integration point values. It is ordered
+/// Used for the extrapolation of the integration point values. It is ordered
 /// (and stored) by integration points.
 template <typename ShapeMatrixType>
 struct SecondaryData
diff --git a/ProcessLib/ThermoMechanics/ThermoMechanicsFEM.h b/ProcessLib/ThermoMechanics/ThermoMechanicsFEM.h
index aff008fe98599b7ae36ade3bb97e67efff9481d7..3c85df81d2a54a766c6de6f3f6e1329ec78ddfb0 100644
--- a/ProcessLib/ThermoMechanics/ThermoMechanicsFEM.h
+++ b/ProcessLib/ThermoMechanics/ThermoMechanicsFEM.h
@@ -75,7 +75,7 @@ struct IntegrationPointData final
     EIGEN_MAKE_ALIGNED_OPERATOR_NEW;
 };
 
-/// Used by for extrapolation of the integration point values. It is ordered
+/// Used for the extrapolation of the integration point values. It is ordered
 /// (and stored) by integration points.
 template <typename ShapeMatrixType>
 struct SecondaryData