Fix contributor's name in Changelog
diff --git a/ChangeLog b/ChangeLog
index 18876e5..b061da3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -128,7 +128,7 @@
 
 Bugfix
    * Fix bug in entropy.c when THREADING_C is also enabled that caused
-     entropy_free() to crash (found and fixed by ptahpeteh).
+     entropy_free() to crash (thanks to Rafał Przywara).
    * Stack buffer overflow if ctr_drbg_update() is called with too large
      add_len (found by Jean-Philippe Aumasson) (not triggerable remotely).
    * Possible buffer overflow of length at most POLARSSL_MEMORY_ALIGN_MULTIPLE