diff --git a/demo/src/main/java/org/tinfour/demo/utils/TestOptions.java b/demo/src/main/java/org/tinfour/demo/utils/TestOptions.java
index 59c5912f..e2dd6634 100644
--- a/demo/src/main/java/org/tinfour/demo/utils/TestOptions.java
+++ b/demo/src/main/java/org/tinfour/demo/utils/TestOptions.java
@@ -938,7 +938,7 @@ public double[] getFrame() {
    * application-supplied defaults will be returned.
    * @param defaultWidth a value greater than zero.
    * @param defaultHeight a value greater than zero.
-   * @return
+   * @return an array of dimension 2 giving width and height
    */
   public int []getImageSize(int defaultWidth, int defaultHeight){
     if(imageSize!=null && imageSize.length==2){
diff --git a/svm/src/main/java/org/tinfour/svm/SvmComputation.java b/svm/src/main/java/org/tinfour/svm/SvmComputation.java
index 54ab255b..38282ec7 100644
--- a/svm/src/main/java/org/tinfour/svm/SvmComputation.java
+++ b/svm/src/main/java/org/tinfour/svm/SvmComputation.java
@@ -277,7 +277,6 @@ int getFlatTriangleCount() {
    * @param properties a valid set of properties specification for processing
    * options.
    * @param data a valid instance giving data for processing
-   * @return the instance of the final TIN object created for the processing.
    * @throws java.io.IOException in the event of an unrecoverable I/O exception.
    */
   public void processVolume(