Adapt ChangeLog
diff --git a/ChangeLog b/ChangeLog
index e7a23ae..b85abf3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -21,6 +21,9 @@
* Zeroize memory used for reassembling handshake messages after use.
* Use `mbedtls_zeroize()` instead of `memset()` for zeroization of
sensitive data in the example programs aescrypt2 and crypt_and_hash.
+ * Add explicit integer to enumeration type casts to example program
+ programs/pkey/gen_key which previously led to compilation failure
+ on some toolchains. Reported by phoenixmcallister. Fixes #2170.
Changes
* Add tests for session resumption in DTLS.