diff --git a/README.md b/README.md
index 716486a..8f302aa 100644
--- a/README.md
+++ b/README.md
@@ -6,22 +6,17 @@
 npm install move-position
 ```
 
-## move
+## API
+
+### move
+
+Moves element form one index to another
 
 ```js
-/**
- * Moves element form/to index.
- *
- * @param {Array} [arr=[]]
- * @param {number} from
- * @param {number} to
- * @param {boolean} [isMutate=true]
- * @returns {Array}
- */
-const modifiedArr = move(arr, from, to, isMutate);
+move(targetedArr: Array, from: number, to: number, isMutate?: boolean)
 ```
 
-### Example(1)
+#### Example - Mutate true
 
 ```js
 const input = ["a", "b", "c"];
@@ -32,63 +27,73 @@ const result = move(input, 0, 2);
 // ["b", "c", "a"];
 ```
 
-## moveMultiArr
+Since `isMutate` is `true` by default:
 
 ```js
-/**
- * Moves the same index in multiple arrays
- *
- * @param {Array} [arr=[]] Array contain arrays to be changed
- * @param {number} from - targeted index
- * @param {number} to - targeted index
- * @param {boolean} [isMutate=true]
- * @returns {Array}
- */
-const modifiedArr = moveMultiArr([arr1, arr2, ...], from, to, isMutate);
+input === result; // true
 ```
 
-### Example(2)
+#### Example - Mutate false
 
 ```js
-const input1 = ["a1", "b1", "c1"];
-const input2 = ["a2", "b2", "c2"];
+const result = move(input, 0, 2, false);
 
-const inputs = [input1, input2];
+input === result; // false
+```
 
-const result = moveMultiArr(inputs, 2, 0);
+### moveMultiArr
 
-// result[0] > ["c1", "a1", "b1"];
-// result[1] > ["c2", "a2", "b2"];
+Moves the same index in multiple arrays
+
+```js
+moveMultiArr(targetedArr: Array<Array>, from: number, to: number, isMutate?: boolean)
 ```
 
-## moveMultiIndex
+#### Example - Move Multiple Arrays
 
 ```js
-/**
- * Moves multiple indexes in the same array
- *
- * @param {Array} [arr=[]]
- * @param {Object[]} movingMap
- * @returns {Array} new Array with index changes
- */
-const modifiedArr = moveMultiIndex(arr, [{from, to}, ...]);
+const input1 = ["a1", "b1", "c1"];
+const input2 = ["a2", "b2", "c2"];
+
+const result = moveMultiArr([input1, input2], 2, 0);
+
+// result = [
+//   ["c1", "a1", "b1"],
+//   ["c2", "a2", "b2"],
+// ];
+```
+
+### moveMultiIndex
+
+```ts
+moveMultiArr(targetedArr: Array, movingMap: Array <FromToObj>)
 ```
 
-### Example(3)
+#### Example - Move Multiple Index
 
 ```js
 const input = ["a", "b", "c"];
 
 const movingMap = [
   { from: 0, to: 2 },
-  { from: 2, to: 1 }
+  { from: 2, to: 1 },
 ];
 
 const result = moveMultiIndex(input, movingMap);
 
-// result > [ 'a', 'c', 'a' ]
+// result = ["a", "c", "a"];
 ```
 
+## Tests
+
+```sh
+npm test
+```
+
+## License
+
+This project is licensed under the [GPL-3.0 License](https://github.com/jalal246/move-position/blob/master/LICENSE)
+
 ### Related projects
 
 - [packageSorter](https://github.com/jalal246/packageSorter) - Sorting packages
@@ -101,14 +106,9 @@ const result = moveMultiIndex(input, movingMap);
 - [get-info](https://github.com/jalal246/get-info) - Utility functions for
   projects production.
 
-- [textics](https://github.com/jalal246/textics) & [textics-stream](https://github.com/jalal246/textics-stream) - Counts lines, words, chars and spaces for a given string.
-
-## Tests
-
-```sh
-npm test
-```
-
-## License
+- [textics](https://github.com/jalal246/textics) &
+  [textics-stream](https://github.com/jalal246/textics-stream) - Counts lines,
+  words, chars and spaces for a given string.
 
-This project is licensed under the [GPL-3.0 License](https://github.com/jalal246/move-position/blob/master/LICENSE)
+- [folo](https://github.com/jalal246/folo) - Form & Layout Components Built with
+  React.
diff --git a/test.js b/test.js
index d74f4d2..e08033a 100644
--- a/test.js
+++ b/test.js
@@ -1,3 +1,4 @@
+// eslint-disable-next-line import/no-extraneous-dependencies
 const { expect } = require("chai");
 
 const { move, moveMultiArr, moveMultiIndex } = require("./index");
@@ -19,6 +20,7 @@ describe("move-position", () => {
     const result = move(input, 0, 2);
 
     const expected = ["b1", "c1", "a1"];
+
     expect(result).to.have.ordered.members(expected);
     expect(input).to.have.ordered.members(expected);
   });
@@ -68,14 +70,14 @@ describe("move-position", () => {
       "folo-forms",
       "folo-layout",
       "folo-utils",
-      "folo-withcontext"
+      "folo-withcontext",
     ];
 
     const movingMap = [
       { from: 2, to: 0 },
       { from: 3, to: 1 },
       { from: 1, to: 2 },
-      { from: 0, to: 3 }
+      { from: 0, to: 3 },
     ];
 
     const result = moveMultiIndex(input, movingMap);
@@ -84,7 +86,7 @@ describe("move-position", () => {
       "folo-utils",
       "folo-withcontext",
       "folo-layout",
-      "folo-forms"
+      "folo-forms",
     ];
 
     expect(result).to.have.deep.members(expected);