diff --git a/markdown-pages/en/tidbcloud/master/tidb-cloud/v8.5-performance-highlights.md b/markdown-pages/en/tidbcloud/master/tidb-cloud/v8.5-performance-highlights.md
index b710824..08b8abb 100644
--- a/markdown-pages/en/tidbcloud/master/tidb-cloud/v8.5-performance-highlights.md
+++ b/markdown-pages/en/tidbcloud/master/tidb-cloud/v8.5-performance-highlights.md
@@ -89,25 +89,25 @@ The failover time of the IO latency jitter is 30% shorter, and P99/999 latency i
 
     | Workload | Failover time | QPS drop rate | Maximum latency (P999) during failover | Maximum latency (P99) during failover |
     | --- | --- | --- | --- | --- |
-    | IO delay 1 s lasts for 10 mins | 4 mins | 99% | 1 min | 56 s |
-    | IO delay 500 ms lasts for 10 mins | 4 mins | 99% | 54 s | 7.8 s |
-    | IO delay 100 ms lasts for 10 mins | Failover not achieved | 99% | 32 s | 26 s |
-    | IO delay 50 ms lasts for 10 mins | Failover not achieved | 97% | 13.2 s | 6.7 s |
-    | IO delay 10 ms lasts for 10 mins | Failover not achieved | 94% | 3 s | 1.45 s |
-    | IO delay 5 ms lasts for 10 mins | Failover not achieved | 81% | 462 ms | 246 ms |
-    | IO delay 2 ms lasts for 10 mins | Failover not achieved | 38% | 232 ms | 22.9 ms |
+    | IO delay of 1 s lasts for 10 mins | 4 mins | 99% | 1 min | 56 s |
+    | IO delay of 500 ms lasts for 10 mins | 4 mins | 99% | 54 s | 7.8 s |
+    | IO delay of 100 ms lasts for 10 mins | Failover not achieved | 99% | 32 s | 26 s |
+    | IO delay of 50 ms lasts for 10 mins | Failover not achieved | 97% | 13.2 s | 6.7 s |
+    | IO delay of 10 ms lasts for 10 mins | Failover not achieved | 94% | 3 s | 1.45 s |
+    | IO delay of 5 ms lasts for 10 mins | Failover not achieved | 81% | 462 ms | 246 ms |
+    | IO delay of 2 ms lasts for 10 mins | Failover not achieved | 38% | 232 ms | 22.9 ms |
 
 - Test results with IO latency jitter improvement
 
     | Workload | Failover time | QPS drop rate | Maximum latency (P999) during failover | Maximum latency (P99) during failover |
     | --- | --- | --- | --- | --- |
-    | IO delay 1 s lasts for 10 mins | 3 mins | 93% | 4.66 s | 929 ms |
-    | IO delay 500 ms lasts for 10 mins | 2 mins | 92% | 7.22 s | 894 ms |
-    | IO delay 100 ms lasts for 10 mins | 3 mins | 80% | 7.53 s | 1.7 s |
-    | IO delay 50 ms lasts for 10 mins | 3 mins | 53% | 1.36 s | 238 ms |
-    | IO delay 10 ms lasts for 10 mins | 3 mins | 18% | 69 ms | 25 ms |
-    | IO delay 5 ms lasts for 10 mins | 2 mins | 29% | 37.9 ms | 10 ms |
-    | IO delay 2 ms lasts for 10 mins | Almost no effect | 1% | 14 ms | 7.9 ms |
+    | IO delay of 1 s lasts for 10 mins | 3 mins | 93% | 4.66 s | 929 ms |
+    | IO delay of 500 ms lasts for 10 mins | 2 mins | 92% | 7.22 s | 894 ms |
+    | IO delay of 100 ms lasts for 10 mins | 3 mins | 80% | 7.53 s | 1.7 s |
+    | IO delay of 50 ms lasts for 10 mins | 3 mins | 53% | 1.36 s | 238 ms |
+    | IO delay of 10 ms lasts for 10 mins | 3 mins | 18% | 69 ms | 25 ms |
+    | IO delay of 5 ms lasts for 10 mins | 2 mins | 29% | 37.9 ms | 10 ms |
+    | IO delay of 2 ms lasts for 10 mins | Almost no effect | 1% | 14 ms | 7.9 ms |
 
 ## Batch processing