8309960: ParallelGC young collections very slow in DelayInducer

src/hotspot/share/gc/parallel/psPromotionManager.cpp

@@ -237,14 +237,13 @@ void PSPromotionManager::drain_stacks_depth(bool totally_drain) {
     // Drain overflow stack first, so other threads can steal from
     // claimed stack while we work.
     while (tq->pop_overflow(task)) {
-      // In PSCardTable::scavenge_contents_parallel, when work is distributed
-      // among different workers, an object is never split into manny workers.
-      // Therefore, if a worker get a large objArray, it may have accumulated
+      // In PSCardTable::scavenge_contents_parallel(), when work is distributed
+      // among different workers, an object is never split between multiple workers.
+      // Therefore, if a worker gets owned a large objArray, it may accumulate
       // many tasks (corresponding to every element in this array) in its
-      // taskqueue. When there are too many overflow tasks, publishing them
-      // (via try_push_to_taskqueue) can incur noticeable overhead in Young GC
-      // pause, so processing locally until large-objArray-split is implemented.
-
+      // task queue. When there are too many overflow tasks, publishing them
+      // (via try_push_to_taskqueue()) can incur noticeable overhead in Young GC
+      // pause, so it is better to process them locally until large-objArray-splitting is implemented.
       process_popped_location_depth(task);
     }