diff --git a/platform/lang-api/src/com/intellij/psi/injection/ReferenceInjector.java b/platform/lang-api/src/com/intellij/psi/injection/ReferenceInjector.java
index ade17feccb58..80ad118108d3 100644
--- a/platform/lang-api/src/com/intellij/psi/injection/ReferenceInjector.java
+++ b/platform/lang-api/src/com/intellij/psi/injection/ReferenceInjector.java
@@ -26,6 +26,8 @@ import com.intellij.util.containers.ContainerUtil;
 import org.jetbrains.annotations.NotNull;
 
 /**
+ * This will work only in presence of IntelliLang plugin.
+ *
  * @author Dmitry Avdeev
  *         Date: 01.08.13
  */