diff --git a/docs/getting-started.md b/docs/getting-started.md
index 591214a9..bad32489 100644
--- a/docs/getting-started.md
+++ b/docs/getting-started.md
@@ -38,10 +38,10 @@ Create a lint file `hello.jsonnet`.
 This simple rule checks if data has a field `description`.
 
 ```jsonnet
-function(param) {
-  name: 'description is required',
-  failed: !std.objectHas(param.data.value, 'description'),
-}
+function(param)
+  if std.objectHas(param.data.value, 'description') then [] else [{
+    name: 'description is required',
+  }]
 ```
 
 ## Edit the configuration file
@@ -71,6 +71,8 @@ Then the command would fail because `hello.json` violates the lint rule of `hell
 ```console
 $ lintnet lint
 {
+  "lintnet_version": "",
+  "env": "darwin/arm64",
   "errors": [
     {
       "rule": "description is required",
diff --git a/docs/lint-rule.md b/docs/lint-rule.md
index 09bd0bea..2a9ec96e 100644
--- a/docs/lint-rule.md
+++ b/docs/lint-rule.md
@@ -9,15 +9,10 @@ lintnet uses Jsonnet to write lint rules.
 e.g.
 
 ```jsonnet
-function(param) if param.data.file_type != 'csv' then null else std.mapWithIndex(function(idx, line) {
-  message: 'age must be greater or equal than 18',
-  failed: std.parseInt(line[1]) < 18,
-  level: 'warn',
-  location: {
-    index: idx,
-    line: std.join(',', line),
-  },
-}, param.data.value)
+function(param)
+  if std.objectHas(param.data.value, 'description') then [] else [{
+    name: 'description is required',
+  }]
 ```
 
 ## Top level arguments
@@ -44,7 +39,6 @@ The format of `param` is
 JSONPath | type | description
 --- | --- | ---
 `.name` (required) | string | Rule name
-`.failed` (required) | bool | If this is true, this means the file violates the rule
 `.message` | string | Error message
 `.level` | string | Error level
 `.location` | `string` or `any` | Location where errors occur
diff --git a/docs/test-rule.md b/docs/test-rule.md
index 7531c337..ce6b834d 100644
--- a/docs/test-rule.md
+++ b/docs/test-rule.md
@@ -24,7 +24,6 @@ function(param) [
     result: [ // expected return value of the lint file
       {
         message: 'age must be greater or equal than 18',
-        failed: true,
         level: 'error',
         location: {
           index: 0,