diff --git a/MaterialLib/PorousMedium/UnsaturatedProperty/CapillaryPressure/CapillaryPressureSaturation.h b/MaterialLib/PorousMedium/UnsaturatedProperty/CapillaryPressure/CapillaryPressureSaturation.h
index ec8111693a8af83320b3ee8d0765ded37bc53bae..249562de4a25450f9a9a567bf78c503891b61420 100644
--- a/MaterialLib/PorousMedium/UnsaturatedProperty/CapillaryPressure/CapillaryPressureSaturation.h
+++ b/MaterialLib/PorousMedium/UnsaturatedProperty/CapillaryPressure/CapillaryPressureSaturation.h
@@ -44,7 +44,7 @@ public:
     /// Get capillary pressure.
     virtual double getCapillaryPressure(const double saturation) const = 0;
     /// Get saturation.
-    virtual double getSaturation(const double capillary_ressure) const = 0;
+    virtual double getSaturation(const double capillary_pressure) const = 0;
 
     /// Get the derivative of the capillary pressure with respect to saturation
     virtual double getdPcdS(const double saturation) const = 0;
@@ -58,7 +58,7 @@ protected:
     const double _saturation_nonwet_r;  ///< Residual saturation of nonwetting
                                         ///phase (optional).
     const double _saturation_max;       ///< Maximum saturation.
-    const double _pc_max;               ///< Maximum capillaray pressure
+    const double _pc_max;               ///< Maximum capillary pressure
 
     /** A small number for an offset:
      *  1. to set the bound of S, the saturation, such that
diff --git a/MaterialLib/PorousMedium/UnsaturatedProperty/CapillaryPressure/CapillaryPressureSaturationCurve.h b/MaterialLib/PorousMedium/UnsaturatedProperty/CapillaryPressure/CapillaryPressureSaturationCurve.h
index 02986715e1d4e5f81bf97211751c6ebff94b2373..d8337ddd380659978e5374ed7d0da2e90a774aa2 100644
--- a/MaterialLib/PorousMedium/UnsaturatedProperty/CapillaryPressure/CapillaryPressureSaturationCurve.h
+++ b/MaterialLib/PorousMedium/UnsaturatedProperty/CapillaryPressure/CapillaryPressureSaturationCurve.h
@@ -59,7 +59,7 @@ public:
     {
         const double pc = MathLib::limitValueInInterval(capillary_pressure,
                                                         _minor_offset, _pc_max);
-        return _curve_data->getInversVariable(pc);
+        return _curve_data->getInverseVariable(pc);
     }
 
     /// Get the derivative of the capillary pressure with respect to saturation
diff --git a/MathLib/Curve/PiecewiseLinearMonotonicCurve.cpp b/MathLib/Curve/PiecewiseLinearMonotonicCurve.cpp
index 590d09010f9d7827a19653ed4c5f379067596ef8..bee2a2e4993f7857e43e6db4adc7d8ee74a70ec3 100644
--- a/MathLib/Curve/PiecewiseLinearMonotonicCurve.cpp
+++ b/MathLib/Curve/PiecewiseLinearMonotonicCurve.cpp
@@ -43,7 +43,7 @@ bool PiecewiseLinearMonotonicCurve::isStrongMonotonic() const
                         });
 }
 
-double PiecewiseLinearMonotonicCurve::getInversVariable(const double y) const
+double PiecewiseLinearMonotonicCurve::getInverseVariable(const double y) const
 {
     std::size_t interval_idx = 0;
     if (_values_at_supp_pnts.front() < _values_at_supp_pnts.back())
diff --git a/MathLib/Curve/PiecewiseLinearMonotonicCurve.h b/MathLib/Curve/PiecewiseLinearMonotonicCurve.h
index 7dda2cb1d51ac04996ad503304dc62a07e558d31..83a55c3c8e785eb62608388e13343d26c119e097 100644
--- a/MathLib/Curve/PiecewiseLinearMonotonicCurve.h
+++ b/MathLib/Curve/PiecewiseLinearMonotonicCurve.h
@@ -31,7 +31,7 @@ public:
 
     /// Get variable, x, or abscissa, by a given value \c y, the ordinate.
     /// If this curve is not monotonic, this function gives a fatal error.
-    double getInversVariable(const double y) const;
+    double getInverseVariable(const double y) const;
 
 private:
     /**
diff --git a/Tests/MathLib/TestPiecewiseLinearCurve.cpp b/Tests/MathLib/TestPiecewiseLinearCurve.cpp
index 1fb7cb06afd466483274cb1fc5937da1638a7bbc..78a5cbed2b9a5ad6c479d5c05c2597b1b3468ccd 100644
--- a/Tests/MathLib/TestPiecewiseLinearCurve.cpp
+++ b/Tests/MathLib/TestPiecewiseLinearCurve.cpp
@@ -51,7 +51,7 @@ TEST(MathLibCurve, PiecewiseLinearCurveParsing)
     {
         ASSERT_NEAR(y[i], curve->getValue(x[i]),
                     std::numeric_limits<double>::epsilon());
-        ASSERT_NEAR(x[i], curve->getInversVariable(y[i]),
+        ASSERT_NEAR(x[i], curve->getInverseVariable(y[i]),
                     std::numeric_limits<double>::epsilon());
     }
 }
@@ -82,7 +82,7 @@ TEST(MathLibCurve, MonotonicIncreasePiecewiseLinearCurve)
     // Get inverse values and compare them
     for (std::size_t i = 0; i < size; ++i)
     {
-        ASSERT_NEAR(x[i], curve.getInversVariable(y[i]),
+        ASSERT_NEAR(x[i], curve.getInverseVariable(y[i]),
                     std::numeric_limits<double>::epsilon());
     }
 }
@@ -113,7 +113,7 @@ TEST(MathLibCurve, MonotonicDecreasePiecewiseLinearCurve)
     // Get inverse values and compare them
     for (std::size_t i = 0; i < size; ++i)
     {
-        ASSERT_NEAR(x[i], curve.getInversVariable(y[i]),
+        ASSERT_NEAR(x[i], curve.getInverseVariable(y[i]),
                     std::numeric_limits<double>::epsilon());
     }
 }