diff --git a/Notes b/Notes
index bfd9ddb..7685cf4 100644
--- a/Notes
+++ b/Notes
@@ -34,3 +34,5 @@ top files/sec was much higher than average (> 300).
 conclusion: bottleneck were seek times for DA.
 (hardly optimizable except maybe by sorting inode numbers)
 
+check filenames with non-ascii characters.
+