diff --git a/platform/platform-api/src/com/intellij/openapi/command/undo/BasicUndoableAction.java b/platform/platform-api/src/com/intellij/openapi/command/undo/BasicUndoableAction.java
index 34f6d60626e5..659691f0c52f 100644
--- a/platform/platform-api/src/com/intellij/openapi/command/undo/BasicUndoableAction.java
+++ b/platform/platform-api/src/com/intellij/openapi/command/undo/BasicUndoableAction.java
@@ -46,10 +46,12 @@ public abstract class BasicUndoableAction implements UndoableAction {
     }
   }
 
+  @Override
   public DocumentReference[] getAffectedDocuments() {
     return myRefs;
   }
 
+  @Override
   public boolean isGlobal() {
     return false;
   }
diff --git a/platform/platform-api/src/com/intellij/openapi/command/undo/GlobalUndoableAction.java b/platform/platform-api/src/com/intellij/openapi/command/undo/GlobalUndoableAction.java
index 389f36d902c6..d61e4c93f889 100644
--- a/platform/platform-api/src/com/intellij/openapi/command/undo/GlobalUndoableAction.java
+++ b/platform/platform-api/src/com/intellij/openapi/command/undo/GlobalUndoableAction.java
@@ -36,6 +36,7 @@ public abstract class GlobalUndoableAction extends BasicUndoableAction {
     super(files);
   }
 
+  @Override
   public boolean isGlobal() {
     return true;
   }