Update README.md

README.md

@@ -18,9 +18,10 @@ configs:
     path: data/train-*
 ---
 mapping
-0: english, male
-1: english, female
-2: chinese, male
-3: chinese, female
-4: chinese, unknown
-5: japanese
+
+- 0: english, male
+- 1: english, female
+- 2: chinese, male
+- 3: chinese, female
+- 4: chinese, unknown
+- 5: japanese