diff --git a/pool.go b/pool.go
index 5ac1487..d628784 100644
--- a/pool.go
+++ b/pool.go
@@ -226,7 +226,7 @@ func (p *Pool) putWorker(worker *Worker) {
 	worker.recycleTime = time.Now()
 	p.lock.Lock()
 	p.workers = append(p.workers, worker)
-	// notify there is available worker
+	// Notify there is an available worker put back into queue.
 	p.cond.Signal()
 	p.lock.Unlock()
 }
diff --git a/pool_func.go b/pool_func.go
index 8aab29a..b0dfbd6 100644
--- a/pool_func.go
+++ b/pool_func.go
@@ -229,7 +229,7 @@ func (p *PoolWithFunc) putWorker(worker *WorkerWithFunc) {
 	worker.recycleTime = time.Now()
 	p.lock.Lock()
 	p.workers = append(p.workers, worker)
-	// notify there is available worker
+	// Notify there is an available worker put back into queue.
 	p.cond.Signal()
 	p.lock.Unlock()
 }