1 files changed, 2 insertions, 1 deletions
diff --git a/xml/dom-impl/src/com/intellij/util/xml/impl/DomReferenceContributor.java b/xml/dom-impl/src/com/intellij/util/xml/impl/DomReferenceContributor.java
index f44fe05c92d1..6fe7a0df71a4 100644
--- a/xml/dom-impl/src/com/intellij/util/xml/impl/DomReferenceContributor.java
+++ b/xml/dom-impl/src/com/intellij/util/xml/impl/DomReferenceContributor.java
@@ -18,13 +18,14 @@ package com.intellij.util.xml.impl;
 import com.intellij.psi.PsiReferenceContributor;
 import com.intellij.psi.PsiReferenceRegistrar;
 import com.intellij.patterns.XmlPatterns;
+import org.jetbrains.annotations.NotNull;
 
 /**
  * @author peter
  */
 public class DomReferenceContributor extends PsiReferenceContributor{
   @Override
-  public void registerReferenceProviders(final PsiReferenceRegistrar registrar) {
+  public void registerReferenceProviders(@NotNull final PsiReferenceRegistrar registrar) {
     GenericValueReferenceProvider provider = new GenericValueReferenceProvider();
 
     registrar.registerReferenceProvider(XmlPatterns.xmlTag(), provider);