diff --git a/README.md b/README.md
index f41ca07..85d91fa 100644
--- a/README.md
+++ b/README.md
@@ -17,6 +17,7 @@ Package ants implements a fixed goroutine pool for managing and recycling a mass
 ## Features:
 
 - Automatically managing and recycling a massive number of goroutines.
+- Periodically clearing overdue goroutines.
 - Friendly interfaces: submitting tasks, getting the number of running goroutines, readjusting capacity of pool dynamically, closing pool.
 - Efficient in memory usage and it even achieves higher performance than unlimited goroutines in golang.