1 files changed, 10 insertions, 2 deletions
diff --git a/website/README.md b/website/README.md
index a94f85b9e..1e6a13a15 100644
--- a/website/README.md
+++ b/website/README.md
@@ -1,6 +1,6 @@
 ## About benchmark data
 
-The benchmark chart supposes `//website/data.json` has the signature of
+The benchmark chart supposes `//website/data.json` has the type
 `BenchmarkData[]` where `BenchmarkData` is defined like the below:
 
 ```typescript
@@ -16,9 +16,17 @@ interface ExecTimeData {
 interface BenchmarkData {
   created_at: string;
   sha1: string;
-  binary_size?: number;
   benchmark: {
     [key: string]: ExecTimeData;
   };
+  binarySizeData: {
+    [key: string]: number;
+  };
+  threadCountData: {
+    [key: string]: number;
+  };
+  syscallCountData: {
+    [key: string]: number;
+  };
 }
 ```