diff --git a/DATA_EN.MD b/DATA_EN.MD
index 84a482a..2e861b6 100644
--- a/DATA_EN.MD
+++ b/DATA_EN.MD
@@ -22,7 +22,7 @@ Your-zip-file.zip
     └───zzz.wav
 ```
 Note that the format of the audio files does not matter as long as they are audio files。  
-Quality requirement: >=2s, <=10s, contain as little background sound as possible 
+Quality requirement: >=2s, <=10s, contain as little background sound as possible.   
 Quantity requirement: at least 10 per character, 20+ per character is recommended.
 2. Long audio files named by character names, which should contain single character voice only. Background sound is 
 acceptable since they will be automatically removed. File name format `{CharacterName}_{random_number}.wav`  
@@ -43,4 +43,4 @@ Char2|https://xyz.com/video3/
 Char3|https://xyz.com/video4/
 ```
 One video should contain single speaker only. Currently supports videos links from bilibili, other websites are yet to be tested.
-Having questions regarding to data format? Fine data samples of all format from [here](https://drive.google.com/file/d/132l97zjanpoPY4daLgqXoM7HKXPRbS84/view?usp=sharing).
\ No newline at end of file
+Having questions regarding to data format? Fine data samples of all format from [here](https://drive.google.com/file/d/132l97zjanpoPY4daLgqXoM7HKXPRbS84/view?usp=sharing).