docs: refine README

Signed-off-by: Jérôme Benoit <jerome.benoit@sap.com>

diff --git a/README.md b/README.md
index 6f94626a23daab699b05ff274d35fc5dba69a7ba..6fdac3820610bcb52ff7a1a3eb022d098836953d 100644 (file)
--- a/README.md
+++ b/README.md
@@ -196,11 +196,11 @@ An object with these properties:
 
   Default: `{ concurrency: 1 }`
 
-#### `ThreadPoolOptions`
+#### `ThreadPoolOptions extends PoolOptions`
 
 - `workerOptions` (optional) - An object with the worker options. See [worker_threads](https://nodejs.org/api/worker_threads.html#worker_threads_new_worker_filename_options) for more details.
 
-#### `ClusterPoolOptions`
+#### `ClusterPoolOptions extends PoolOptions`
 
 - `env` (optional) - An object with the environment variables to pass to the worker. See [cluster](https://nodejs.org/api/cluster.html#cluster_cluster_fork_env) for more details.