diff --git a/README.md b/README.md
index e9ded0e..89e288d 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@ FF FF 01 02 03 04 05 06 07 08 09 0A 05 01 02 03 04 05
 ]
 ```
 ### output
-```json
+```
 {
   dat1: [
     { v1: 1 }, { v1: 2 },
@@ -52,4 +52,4 @@ FF FF 01 02 03 04 05 06 07 08 09 0A 05 01 02 03 04 05
 }
 ```
 
-more info: please refer to test.ts.
\ No newline at end of file
+more info: please refer to test.ts.