Explain degradation
diff --git a/org.eclipse.jdt.ui.tests/performance/org/eclipse/jdt/ui/tests/performance/views/TypeHierarchyPerfTest.java b/org.eclipse.jdt.ui.tests/performance/org/eclipse/jdt/ui/tests/performance/views/TypeHierarchyPerfTest.java
index c88b420..5a486dd 100644
--- a/org.eclipse.jdt.ui.tests/performance/org/eclipse/jdt/ui/tests/performance/views/TypeHierarchyPerfTest.java
+++ b/org.eclipse.jdt.ui.tests/performance/org/eclipse/jdt/ui/tests/performance/views/TypeHierarchyPerfTest.java
@@ -16,8 +16,6 @@
 import junit.framework.Test;
 import junit.framework.TestSuite;
 
-import org.eclipse.test.performance.Dimension;
-
 import org.eclipse.jdt.core.IJavaElement;
 import org.eclipse.jdt.core.IJavaProject;
 import org.eclipse.jdt.core.IPackageFragmentRoot;
@@ -25,6 +23,9 @@
 import org.eclipse.jdt.internal.ui.JavaPlugin;
 import org.eclipse.jdt.internal.ui.util.OpenTypeHierarchyUtil;
 
+import org.eclipse.test.performance.Dimension;
+import org.eclipse.test.performance.Performance;
+
 import org.eclipse.jdt.testplugin.JavaProjectHelper;
 import org.eclipse.jdt.testplugin.JavaTestPlugin;
 
@@ -77,6 +78,7 @@
 	public void testOpenObjectHierarchy2() throws Exception {
 		//warm
 		tagAsSummary("Open type hierarchy on Object", Dimension.ELAPSED_PROCESS);
+		setComment(Performance.EXPLAINS_DEGRADATION_COMMENT, "Enhanced rendering of type labels");
 		measureOpenHierarchy(MyTestSetup.fJProject1.findType("java.lang.Object"));
 	}