diff --git a/README.md b/README.md
index 7eb2ccb..61ef262 100644
--- a/README.md
+++ b/README.md
@@ -3,12 +3,16 @@
 **unplugin-sheet-i18n** enables doing your i18n in a [spread]sheet for a better collaborative experience with non-coders and maintainability.
 
 ## Features
-- CSV, DSV, Spreadsheets (XLS[XMB], ODT) parsing, powered by [SheetJS](https://sheetjs.com/) and [papaparse](https://www.papaparse.com/)
-- File-to-file convert (en.csv -> en.json)
-- File-to-multiple convert (i18n.csv -> en.json, vi.json, fr.json,...)
-- Multiple sheets support (for big projects)
+- Supports CSV, DSV, Excel/Spreadsheets (XLS[XMB], ODT), powered by [SheetJS](https://sheetjs.com/) and [papaparse](https://www.papaparse.com/)
+- File-to-file convert: `en.csv -> en.json`
+- File-to-multiple convert: `i18n.csv -> en.json, vi.json, fr.json,...`
+- Output merging: `i18n_a.csv + i18n_b.csv -> en.json`
+- File generation: `i18n_files.csv -> cloud_en.json, cloud_fr.json, template_en.html, template_fr.html`
+- And more!
 
 ## Usage
+[>See a few examples usage here<](./playground)
+
 ### Install package:
 ```sh
 # npm
diff --git a/eslint.config.js b/eslint.config.js
index e66ab16..14ed8e3 100644
--- a/eslint.config.js
+++ b/eslint.config.js
@@ -9,7 +9,14 @@ export default antfu(
   },
   {
     rules: {
-      // overrides
+      'style/no-trailing-spaces': ['error', { ignoreComments: true }],
+      'style/max-statements-per-line': ['error', { max: 2 }],
+    },
+  },
+  {
+    files: ['*.md'],
+    rules: {
+      'style/no-trailing-spaces': 'off',
     },
   },
   unocss,
diff --git a/package.json b/package.json
index 23f3564..698deb7 100644
--- a/package.json
+++ b/package.json
@@ -20,6 +20,7 @@
     "rollup",
     "transform",
     "spreadsheet",
+    "generation",
     "excel",
     "xlsx",
     "csv",
diff --git a/src/types.ts b/src/types.ts
index 763e9d8..d59f023 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -74,9 +74,41 @@ export interface Options {
   replacePunctuationSpace?: boolean
 
   /**
-   * // TODO: documents this
    * Enables special processing for $JSON keys
    *
+   * Key syntax: `$JSON;[fileName];[selectors];[path];[key]`  
+   * 
+   * Example:
+   * ```txt
+   * For a key:
+   * $JSON;cloud;id:what;a.nested.path;display - What?
+   * 
+   * We will get a file: cloud_[locale] with the content:
+   * """
+   * [
+   *  {
+   *    "__selectorKeys": [
+   *      "id"
+   *    ],
+   *    "id": "what",
+   *    "a": {
+   *      "nested": {
+   *        "path": {
+   *          "i18n": {
+   *            "en": {
+   *              "display": "What?"
+   *            }
+   *          }
+   *        }
+   *      }
+   *    }
+   *  }
+   * ]
+   * """
+   * ```
+   *
+   * //TODO: add util for checking an object againts the outputted JSON array, util to load the internalization text from the outputted format
+   *
    * jsonProcessor will always work in auto locale columns mode, and exported file will be 'flat'
    *
    * @default false
@@ -93,10 +125,18 @@ export interface Options {
   jsonProcessorClean?: boolean
 
   /**
-   * // TODO: documents this
    * Enables special processing for $FILE keys
-   *
-   * jsonProcessor will always work in auto locale columns mode, and exported file will be 'flat'
+   * 
+   * Key syntax: `$FILE;[fileName];[extension]`,  
+   * extension is optional and defaults to 'txt'  
+   * 
+   * Example:
+   * ```txt
+   * For a key:
+   * $FILE;hi_there;md - Halo
+   * 
+   * We will get a file: hi_there_[locale].md with the content: "Halo"
+   * ```
    *
    * @default false
    */