Update impl/README.md

Co-authored-by: Gonzalo Muñoz <[email protected]>

Author: fjtirado

impl/README.md

@@ -141,7 +141,7 @@ Here is a summary of what we are trying to do: We will start the `listen.yaml` w
 
 The first step is to create a [WorkflowApplication](core/src/main/java/io/serverlessworkflow/impl/WorkflowApplication.java) instance. An application is an abstraction that allows customization of different aspects of the workflow execution (for example, change the default `ExecutorService` for thread spawning)
 
-Since `WorkflowApplication` implements `Autocloseable`, we better use a try...finally block, ensuring any resource that the workflow might have used is freed when done. 
+Since `WorkflowApplication` implements `Autocloseable`, we better use a **try-with-resources** block, ensuring any resource that the workflow might have used is freed when done. 
 
 `try (WorkflowApplication appl = WorkflowApplication.builder().build())`