diff --git a/debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/cdi/model/Variable.java b/debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/cdi/model/Variable.java
index 39a07943d88..ad7ec397e3b 100644
--- a/debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/cdi/model/Variable.java
+++ b/debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/cdi/model/Variable.java
@@ -250,6 +250,8 @@ public class Variable extends VariableObject implements ICDIVariable {
 	}
 
 	/**
+	 * Overload the implementation of VariableObject and let gdb
+	 * handle it.
 	 * @see org.eclipse.cdt.debug.core.cdi.model.ICDIVariable#isEditable()
 	 */
 	public boolean isEditable() throws CDIException {