This confuses me, in the old 3.11 documentation it states

Author: mburke5678

modules/deployments-deploymentconfigs.adoc

@@ -57,6 +57,6 @@ spec:
   strategy:
     type: Rolling      <3>
 ----
-<1> A config change trigger causes a new deployment to be created any time the replication controller template changes.
+<1> A configuration change trigger results in a new replication controller whenever changes are detected in the pod template of the deployment configuration.
 <2> An image change trigger causes a new deployment to be created each time a new version of the backing image is available in the named image stream.
 <3> The default `Rolling` strategy makes a downtime-free transition between deployments.