diff --git a/build.xml b/build.xml
index 1e733563a95231660a31a79d8337b45475238f93..436b58789130c9651c8406e167429a8e78ac359a 100644
--- a/build.xml
+++ b/build.xml
@@ -2482,7 +2482,7 @@ ignoreSetupDownloadErrors=true
         <echo>processScenes.X3dToX_ITE.html complete.</echo>
     </target>
 
-    <target name="processScenes.X3DtoVRML97" description="convert each .x3d scene to .wrl VRML97 version" depends="get.saxon">
+    <target name="processScenes.X3DtoVRML97" description="convert each .x3d scene to .wrl VRML97 encoding" depends="get.saxon">
         <for param="file.path.name">
             <path>
                 <fileset refid="x3dScenes"/>
@@ -2780,7 +2780,7 @@ ignoreSetupDownloadErrors=true
         <echo>processScenes.json complete.</echo>
     </target>
 
-    <target name="processScenes.X3dToX3dvClassicVrmlEncoding" depends="get.saxon,clean.RoundTrip">
+    <target name="processScenes.X3dToX3dvClassicVrmlEncoding" description="convert each .x3d scene to .x3dv ClassicVrml encoding" depends="get.saxon,clean.RoundTrip">
         <for param="file.path.name">
             <path>
                 <fileset refid="x3dScenes"/>