Update Changelog for fixes to X.509 sample apps
diff --git a/ChangeLog b/ChangeLog
index 272845b..ec395e5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -12,9 +12,9 @@
enabled unless others were also present. Found by David Fernandez. #428
* Fixed cert_app sample program for debug output and for use when no root
certificates are provided.
- * Fixed sample application 'programs/pkey/gen_key.c' for builds where the
- configuration MBEDTLS_PEM_WRITE_C is not defined. Found by inestlerode.
- #559.
+ * Fixed the sample applications gen_key.c, cert_req.c and cert_write.c for
+ builds where the configuration MBEDTLS_PEM_WRITE_C is not defined. Found
+ by inestlerode. #559.
= mbed TLS 2.1.5 branch released 2016-06-28