fixup! Improve documentation of builtin actions in a workflow

docs/src/references/agent/operation-workflow.md

@@ -641,8 +641,8 @@ action = "cleanup"                       # waiting for the mapper to clean up th
 The action for the `"init"` state is a `"proceed"` action, meaning nothing specific is done by the __tedge-agent__
 and that a user can provide its own implementation.
 
-By contrast, the actions marked as `"builtin"` are those delegated to the __tedge-agent__
-and where the main task of the operation is performed, in that case, installing software.
+By contrast, for the `scheduled` and `executing` states, the work is delegated to the __tedge-agent__
+and this is where the main task of the operation is performed, in that case, installing software.
 
 Here is a customized version of the same operation.