diff --git a/platform/lang-api/src/com/intellij/codeInsight/editorActions/TypedHandlerDelegate.java b/platform/lang-api/src/com/intellij/codeInsight/editorActions/TypedHandlerDelegate.java
index 4ba961680593..e8f3b038af97 100644
--- a/platform/lang-api/src/com/intellij/codeInsight/editorActions/TypedHandlerDelegate.java
+++ b/platform/lang-api/src/com/intellij/codeInsight/editorActions/TypedHandlerDelegate.java
@@ -18,9 +18,10 @@ package com.intellij.codeInsight.editorActions;
 
 import com.intellij.openapi.editor.Editor;
 import com.intellij.openapi.extensions.ExtensionPointName;
-import com.intellij.openapi.project.Project;
 import com.intellij.openapi.fileTypes.FileType;
+import com.intellij.openapi.project.Project;
 import com.intellij.psi.PsiFile;
+import org.jetbrains.annotations.NotNull;
 
 /**
  * @author yole
@@ -64,7 +65,7 @@ public abstract class TypedHandlerDelegate {
    * @param editor
    * @param file
    */
-  public Result charTyped(char c, final Project project, final Editor editor, final PsiFile file) {
+  public Result charTyped(char c, final Project project, final Editor editor, @NotNull final PsiFile file) {
     return Result.CONTINUE;
   }