diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6e793909e3d..f0038c6efd6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 ## 0.9.2 (Unreleased)
 
+__BACKWARDS INCOMPATIBILITIES:__
+
+ * client: On startup a client will reattach to running tasks as before but
+   will not restart exited tasks. Exited tasks will be restarted only after the
+   client has reestablished communication with servers. System jobs will always
+   be restarted. [[GH-5669](https://github.com/hashicorp/nomad/pull/5669)]
+
 FEATURES:
 
  * core: Add `nomad alloc restart` command to restart allocs and tasks [[GH-5502](https://github.com/hashicorp/nomad/pull/5502)]
diff --git a/client/allocrunner/taskrunner/task_runner.go b/client/allocrunner/taskrunner/task_runner.go
index 38d48f1fdad..9bf122fe38f 100644
--- a/client/allocrunner/taskrunner/task_runner.go
+++ b/client/allocrunner/taskrunner/task_runner.go
@@ -195,8 +195,7 @@ type TaskRunner struct {
 	maxEvents int
 
 	// serversContactedCh is passed to TaskRunners so they can detect when
-	// servers have been contacted for the first time in case of a failed
-	// restore.
+	// GetClientAllocs has been called in case of a failed restore.
 	serversContactedCh <-chan struct{}
 
 	// waitOnServers defaults to false but will be set true if a restore