diff --git a/CHANGELOG.md b/CHANGELOG.md
index e199e1563ca..11f5a907800 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@ New core features:
 * no_log parameter now surpressess data from callbacks/output as well as syslog
 * ansible-galaxy install -f requirements.yml allows advanced options and installs from non-galaxy SCM sources and tarballs.
 * command_warnings feature will warn about when usage of the shell/command module can be simplified to use core modules - this can be enabled in ansible.cfg
+* new omit value can be used to leave off a parameter when not set, like so module_name: a=1 b={{ c | default(omit) }}, would not pass value for b (not even an empty value) if c was not set.
 
 New Modules: