diff --git a/platform/util/src/com/intellij/openapi/project/IndexNotReadyException.java b/platform/core-api/src/com/intellij/openapi/project/IndexNotReadyException.java
similarity index 82%
rename from platform/util/src/com/intellij/openapi/project/IndexNotReadyException.java
rename to platform/core-api/src/com/intellij/openapi/project/IndexNotReadyException.java
index 80ef38138b89..3b5ba9ecf996 100644
--- a/platform/util/src/com/intellij/openapi/project/IndexNotReadyException.java
+++ b/platform/core-api/src/com/intellij/openapi/project/IndexNotReadyException.java
@@ -18,14 +18,14 @@ package com.intellij.openapi.project;
 /**
  * Thrown on accessing indices in dumb mode. Possible fixes:
  * <li> if {@link com.intellij.openapi.actionSystem.AnAction#actionPerformed(com.intellij.openapi.actionSystem.AnActionEvent)} is in stack trace,
- * consider making the action not implement {@link com.intellij.openapi.project.DumbAware}.
+ * consider making the action not implement {@link DumbAware}.
  * <li> if this access is performed from some invokeLater activity, consider replacing it with
- * {@link com.intellij.openapi.project.DumbService#smartInvokeLater(Runnable)}
+ * {@link DumbService#smartInvokeLater(Runnable)}
  * <li> otherwise, add {@link DumbService#isDumb()} checks where necessary
  *
  * @author peter
- * @see com.intellij.openapi.project.DumbService
- * @see com.intellij.openapi.project.DumbAware
+ * @see DumbService
+ * @see DumbAware
  */
 public class IndexNotReadyException extends RuntimeException {