diff --git a/README.md b/README.md
index ab41d75..2ae18fb 100644
--- a/README.md
+++ b/README.md
@@ -809,10 +809,11 @@ arguments   = sys.argv[1:]
 
 ### Print Function
 ```python
-print(<el_1>, <el_2>, ..., sep=' ', end='\n', file=sys.stdout)
+print(<el_1>, <el_2>, ..., sep=' ', end='\n', file=sys.stdout, flush=False)
 ```
 
 * **Use `'file=sys.stderr'` for errors.**
+* **Use `'flush=Ture'` to forcibly flush the stream.**
 
 #### Pretty print:
 ```python