rephrased as suggested by tengqm

Co-authored-by: Qiming Teng <[email protected]>

Author: ajaygm

content/en/docs/concepts/workloads/controllers/garbage-collection.md

@@ -154,7 +154,8 @@ kubectl also supports cascading deletion.
 To delete dependents in the foreground using kubectl, set `--cascade=foreground`.  To
 orphan dependents, set `--cascade=orphan`. 
 
-The default behavior is to delete dependents in the background i.e. no `--cascade` option or `--cascade=background`.
+The default behavior is to delete the dependents in the background which is the
+behavior when `--cascade` is omitted or explicitly set to `background`.
 
 Here's an example that orphans the dependents of a ReplicaSet: