Update src/content/docs/workflows/build/workers-api.mdx

Co-authored-by: Matt Silverlock <[email protected]>

Author: bruxodasilva

src/content/docs/workflows/build/workers-api.mdx

@@ -286,7 +286,7 @@ const listOfInstances = [
 let instances = await env.MY_WORKFLOW.createBatch(listOfInstances);
 ```
 
-Returns a list of `WorkflowInstance`.
+Returns an array of `WorkflowInstance`.
 
 ### get