diff --git a/docs/userguide/007_The_Lang_API.adoc b/docs/userguide/007_The_Lang_API.adoc
index 18bf1210a..e472d3c80 100644
--- a/docs/userguide/007_The_Lang_API.adoc
+++ b/docs/userguide/007_The_Lang_API.adoc
@@ -278,7 +278,7 @@ ClassesTransformer<JavaPackage> packages = new AbstractClassesTransformer<JavaPa
     @Override
     public Iterable<JavaPackage> doTransform(JavaClasses classes) {
         Set<JavaPackage> result = new HashSet<>();
-        classes.getDefaultPackage().accept(alwaysTrue(), new PackageVisitor() {
+        classes.getDefaultPackage().traversePackageTree(alwaysTrue(), new PackageVisitor() {
             @Override
             public void visit(JavaPackage javaPackage) {
                 result.add(javaPackage);
diff --git a/docs/userguide/html/000_Index.html b/docs/userguide/html/000_Index.html
index eb148fe57..0fb590b4e 100644
--- a/docs/userguide/html/000_Index.html
+++ b/docs/userguide/html/000_Index.html
@@ -1606,7 +1606,7 @@ <h3 id="_rules_with_custom_concepts"><a class="anchor" href="#_rules_with_custom
     @Override
     public Iterable&lt;JavaPackage&gt; doTransform(JavaClasses classes) {
         Set&lt;JavaPackage&gt; result = new HashSet&lt;&gt;();
-        classes.getDefaultPackage().accept(alwaysTrue(), new PackageVisitor() {
+        classes.getDefaultPackage().traversePackageTree(alwaysTrue(), new PackageVisitor() {
             @Override
             public void visit(JavaPackage javaPackage) {
                 result.add(javaPackage);