diff --git a/README.en-us.md b/README.en-us.md
index 9efdfcf..0a34084 100644
--- a/README.en-us.md
+++ b/README.en-us.md
@@ -59,7 +59,7 @@ We compare FIZZ with the major gateway products on the market, using the same en
- Linux version 3.10.0-957.21.3.el7.x86_64
- 8G RAM
-| category | product name | QPS of
600 connections | 90% Latency(ms) of
600 connections | QPS of
1000 connections | 90% Latency(ms) of
1000 connections |
+| Category | Product name | QPS of
600 connections | 90% Latency(ms) of
600 connections | QPS of
1000 connections | 90% Latency(ms) of
1000 connections |
| :------------------ | :------------------ | :-------: | :-------: | :-------: | :-------: |
| Backend Service | direct access | 23540| 32.19 | 27325| 52.09 |
| Traffic Gateway | kong
v2.4.1 | 15662 | 50.87 | 17152 | 84.3 |