diff --git a/src/main/java/org/apache/commons/math3/analysis/MultivariateMatrixFunction.java b/src/main/java/org/apache/commons/math3/analysis/MultivariateMatrixFunction.java
index 94508694d..ceecad46d 100644
--- a/src/main/java/org/apache/commons/math3/analysis/MultivariateMatrixFunction.java
+++ b/src/main/java/org/apache/commons/math3/analysis/MultivariateMatrixFunction.java
@@ -28,7 +28,7 @@ public interface MultivariateMatrixFunction {
      * Compute the value for the function at the given point.
      * @param point point at which the function must be evaluated
      * @return function value for the given point
-     * @exception IllegalArgumentException if points dimension is wrong
+     * @exception IllegalArgumentException if point's dimension is wrong
      */
     double[][] value(double[] point)
         throws IllegalArgumentException;
diff --git a/src/main/java/org/apache/commons/math3/analysis/MultivariateVectorFunction.java b/src/main/java/org/apache/commons/math3/analysis/MultivariateVectorFunction.java
index ada575cfb..ed7ef244c 100644
--- a/src/main/java/org/apache/commons/math3/analysis/MultivariateVectorFunction.java
+++ b/src/main/java/org/apache/commons/math3/analysis/MultivariateVectorFunction.java
@@ -28,7 +28,7 @@ public interface MultivariateVectorFunction {
      * Compute the value for the function at the given point.
      * @param point point at which the function must be evaluated
      * @return function value for the given point
-     * @exception IllegalArgumentException if points dimension is wrong
+     * @exception IllegalArgumentException if point's dimension is wrong
      */
     double[] value(double[] point)
         throws IllegalArgumentException;