diff --git a/core/workflow/safestate.go b/core/workflow/safestate.go
index 86c4f1197..a2673bda6 100644
--- a/core/workflow/safestate.go
+++ b/core/workflow/safestate.go
@@ -30,6 +30,7 @@ import (
 	"sync"
 )
 
+// SafeState is a thread-safe structure that holds the state of a role.
 type SafeState struct {
 	mu    sync.RWMutex
 	state sm.State
diff --git a/core/workflow/safestatus.go b/core/workflow/safestatus.go
index 044e86be6..ac23d38ea 100644
--- a/core/workflow/safestatus.go
+++ b/core/workflow/safestatus.go
@@ -34,6 +34,7 @@ import (
 	"github.com/spf13/viper"
 )
 
+// SafeStatus is a thread-safe structure that holds the status of a role.
 type SafeStatus struct {
 	mu     sync.RWMutex
 	status task.Status