Add note about pbkdf2 benchmark.

diff --git a/docs/v1.6.0-ReleaseNotes b/docs/v1.6.0-ReleaseNotes
index 6d40ab8..a6102de 100644 (file)
--- a/docs/v1.6.0-ReleaseNotes
+++ b/docs/v1.6.0-ReleaseNotes
@@ -204,6 +204,8 @@ Features
    This allows use it in other formats, use library implementations and
    also possible use of different KDF function in future.
 
+ * New PBKDF2 bechmark using getrusage().
+
 Fixes
 ~~~~~