diff --git a/platform/lang-impl/src/com/intellij/util/indexing/FileBasedIndexFileTypeListener.java b/platform/lang-impl/src/com/intellij/util/indexing/FileBasedIndexFileTypeListener.java
index af5a5efced2b..28d1304319d0 100644
--- a/platform/lang-impl/src/com/intellij/util/indexing/FileBasedIndexFileTypeListener.java
+++ b/platform/lang-impl/src/com/intellij/util/indexing/FileBasedIndexFileTypeListener.java
@@ -22,6 +22,9 @@ final class FileBasedIndexFileTypeListener implements FileTypeListener {
     String rebuiltIndexesLog = indexesToRebuild.isEmpty()
                                ? ""
                                : "; indexes " + indexesToRebuild + " will be rebuild completely due to version change";
-    fileBasedIndex.scheduleFullIndexesRescan(indexesToRebuild, "File type change" + rebuiltIndexesLog);
+    fileBasedIndex.scheduleFullIndexesRescan(indexesToRebuild, "File type change: " +
+                                                               "added - " + event.getAddedFileType() + ", " +
+                                                               "removed - " + event.getRemovedFileType() +
+                                                               rebuiltIndexesLog);
   }
 }
diff --git a/platform/lang-impl/src/com/intellij/util/indexing/FileBasedIndexImpl.java b/platform/lang-impl/src/com/intellij/util/indexing/FileBasedIndexImpl.java
index af2e8f7b0a84..ffb871ef0a76 100644
--- a/platform/lang-impl/src/com/intellij/util/indexing/FileBasedIndexImpl.java
+++ b/platform/lang-impl/src/com/intellij/util/indexing/FileBasedIndexImpl.java
@@ -831,7 +831,7 @@ public final class FileBasedIndexImpl extends FileBasedIndexEx {
   }
 
   private static void scheduleIndexRebuild(String reason) {
-    LOG.info("scheduleIndexRebuild, reason: " + reason);
+    LOG.info("schedule index re-scanning, reason: " + reason);
     for (Project project : ProjectManager.getInstance().getOpenProjects()) {
       DumbService.getInstance(project).queueTask(new UnindexedFilesUpdater(project));
     }