Improve ChangeLog entry
diff --git a/ChangeLog b/ChangeLog
index e933cc5..810bcb2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -4,8 +4,7 @@
 
 Security
    * Ensure that buffers are cleared after use if they contain sensitive data.
-     Changes were introduced in multiple places in the library. Cannot be
-     triggered remotely.
+     Changes were introduced in multiple places in the library.
 
 = mbed TLS 2.5.1 released xxxx-xx-xx