diff --git a/CREDITS.md b/CREDITS.md
index af8daa3..c794a6a 100644
--- a/CREDITS.md
+++ b/CREDITS.md
@@ -38,6 +38,7 @@
 
 * Дилян Палаузов
  - bug fix for 3des report
+ - reported a tricky STARTTLS bug
 
 * Viktor Szépe
  - color function maker