diff --git a/tutorials/custom_language_support/structure_view_factory.md b/tutorials/custom_language_support/structure_view_factory.md
index 36de08960..98cde44d4 100644
--- a/tutorials/custom_language_support/structure_view_factory.md
+++ b/tutorials/custom_language_support/structure_view_factory.md
@@ -14,6 +14,7 @@ import com.intellij.ide.structureView.StructureViewBuilder;
 import com.intellij.ide.structureView.StructureViewModel;
 import com.intellij.ide.structureView.TreeBasedStructureViewBuilder;
 import com.intellij.lang.PsiStructureViewFactory;
+import com.intellij.openapi.editor.Editor;
 import com.intellij.psi.PsiFile;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
@@ -25,7 +26,7 @@ public class SimpleStructureViewFactory implements PsiStructureViewFactory {
         return new TreeBasedStructureViewBuilder() {
             @NotNull
             @Override
-            public StructureViewModel createStructureViewModel() {
+            public StructureViewModel createStructureViewModel(@Nullable Editor editor) {
                 return new SimpleStructureViewModel(psiFile);
             }
         };