Fix doc table of contents

README.md

@@ -49,19 +49,19 @@ const prevCar = {
 
   - [Getting started](#getting-started)
   - [Usage](#usage)
-   - [Recomended](#usage)
-   - [Using Object.assign](#using-objectassign)
-   - [Using your own merge](#using-your-own-merge)
-   - [Understand the patch](#understand-the-patch)
+    - [Recomended](#usage)
+    - [Using Object.assign](#using-objectassign)
+    - [Using your own merge](#using-your-own-merge)
+    - [Understand the patch](#understand-the-patch)
   - [API](#api)
-   - [interface patch](#interface-patch--do-object-undo-object-)
-   - [function diff](#function-diff-from-object-array-to-object-array--patch)
-   - [function patch](#function-patch-from-object-array-diff-patch-array-boolean-clean-boolean--object-array)
+    - [interface patch](#interface-patch--do-object-undo-object-)
+    - [function diff](#function-diff-from-object--array-to-object--array--patch)
+    - [function patch](#function-patch-from-object--array-diff-patch-array-boolean-clean-boolean--object--array)
   - [Recipes](#recipes)
-   - [Operation type](#operation-type)
-   - [Array time traveling](#array-time-traveling)
-   - [Objects equality](#objects-equality)
-   - [Object copy](#object-copy)
+    - [Operation type](#operation-type)
+    - [Array time traveling](#array-time-traveling)
+    - [Objects equality](#objects-equality)
+    - [Object copy](#object-copy)
 </details>
 
 ## Getting started