diff --git a/packages/eslint-plugin/docs/rules/consistent-type-definitions.md b/packages/eslint-plugin/docs/rules/consistent-type-definitions.md
index 1688552d8f0..9a2990a49be 100644
--- a/packages/eslint-plugin/docs/rules/consistent-type-definitions.md
+++ b/packages/eslint-plugin/docs/rules/consistent-type-definitions.md
@@ -25,7 +25,7 @@ This rule accepts one string option:
 
 For example:
 
-```CJSON
+```JSONC
 {
     // Use type for object definitions
     "@typescript-eslint/consistent-type-definitions": ["error", "type"]
diff --git a/packages/eslint-plugin/docs/rules/dot-notation.md b/packages/eslint-plugin/docs/rules/dot-notation.md
index f827b003e57..bd1ea7487df 100644
--- a/packages/eslint-plugin/docs/rules/dot-notation.md
+++ b/packages/eslint-plugin/docs/rules/dot-notation.md
@@ -7,7 +7,7 @@ It adds support for optionally ignoring computed `private` member access.
 
 ## How to use
 
-```cjson
+```jsonc
 {
   // note you must disable the base rule as it can report incorrect errors
   "dot-notation": "off",
diff --git a/packages/eslint-plugin/docs/rules/init-declarations.md b/packages/eslint-plugin/docs/rules/init-declarations.md
index 8888e2efef2..f83c5bd9c3f 100644
--- a/packages/eslint-plugin/docs/rules/init-declarations.md
+++ b/packages/eslint-plugin/docs/rules/init-declarations.md
@@ -7,7 +7,7 @@ It adds support for TypeScript's `declare` variables.
 
 ## How to use
 
-```cjson
+```jsonc
 {
   // note you must disable the base rule as it can report incorrect errors
   "init-declarations": "off",
diff --git a/packages/eslint-plugin/docs/rules/keyword-spacing.md b/packages/eslint-plugin/docs/rules/keyword-spacing.md
index ca2926d6c82..3178542d2d6 100644
--- a/packages/eslint-plugin/docs/rules/keyword-spacing.md
+++ b/packages/eslint-plugin/docs/rules/keyword-spacing.md
@@ -7,7 +7,7 @@ This version adds support for generic type parameters on function calls.
 
 ## How to use
 
-```cjson
+```jsonc
 {
   // note you must disable the base rule as it can report incorrect errors
   "keyword-spacing": "off",
diff --git a/packages/eslint-plugin/docs/rules/lines-between-class-members.md b/packages/eslint-plugin/docs/rules/lines-between-class-members.md
index 06cdf55421e..e2692bb18a0 100644
--- a/packages/eslint-plugin/docs/rules/lines-between-class-members.md
+++ b/packages/eslint-plugin/docs/rules/lines-between-class-members.md
@@ -11,7 +11,7 @@ See the [ESLint documentation](https://eslint.org/docs/rules/lines-between-class
 
 ## Rule Changes
 
-```cjson
+```jsonc
 {
   // note you must disable the base rule as it can report incorrect errors
   "lines-between-class-members": "off",
diff --git a/packages/eslint-plugin/docs/rules/no-invalid-this.md b/packages/eslint-plugin/docs/rules/no-invalid-this.md
index ac9dc30122c..728c42b7f2c 100644
--- a/packages/eslint-plugin/docs/rules/no-invalid-this.md
+++ b/packages/eslint-plugin/docs/rules/no-invalid-this.md
@@ -7,7 +7,7 @@ It adds support for TypeScript's `this` parameters.
 
 ## How to use
 
-```cjson
+```jsonc
 {
   // note you must disable the base rule as it can report incorrect errors
   "no-invalid-this": "off",
diff --git a/packages/eslint-plugin/docs/rules/no-loop-func.md b/packages/eslint-plugin/docs/rules/no-loop-func.md
index d48d38c20f6..d4e66d6c7de 100644
--- a/packages/eslint-plugin/docs/rules/no-loop-func.md
+++ b/packages/eslint-plugin/docs/rules/no-loop-func.md
@@ -7,7 +7,7 @@ It adds support for TypeScript types.
 
 ## How to use
 
-```cjson
+```jsonc
 {
   // note you must disable the base rule as it can report incorrect errors
   "no-loop-func": "off",
diff --git a/packages/eslint-plugin/src/configs/README.md b/packages/eslint-plugin/src/configs/README.md
index 3f232c7d9df..c3ee9dbddf8 100644
--- a/packages/eslint-plugin/src/configs/README.md
+++ b/packages/eslint-plugin/src/configs/README.md
@@ -8,7 +8,7 @@ The `eslint-recommended` ruleset is meant to be used after extending `eslint:rec
 
 This config is automatically included if you use either the `recommended` or `recommended-requiring-type-checking` configs.
 
-```cjson
+```jsonc
 {
   "extends": [
     "eslint:recommended",
@@ -40,7 +40,7 @@ We will not add new rules to the `recommended` set unless we release a major pac
 
 If you disagree with a rule (or it disagrees with your codebase), consider using your local config to change the rule config so it works for your project.
 
-```cjson
+```jsonc
 {
   "extends": ["plugin:@typescript-eslint/recommended"],
   "rules": {