diff --git a/README.md b/README.md
index f76407a..7a097e8 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ Author: JunJie Jiang
 
 ```python
 __init__(self, start_time=None, end_time=None, sample_type=None, args=None)
-```
+
 
 Args:
 
@@ -27,6 +27,7 @@ Args:
 -  args: dict
   
       num_samples: int
+```      
 
 
 ```python