diff --git a/README.md b/README.md
index 4ad8fea..897a957 100644
--- a/README.md
+++ b/README.md
@@ -19,6 +19,10 @@ Example usage in a browser:
 
 Example usage in Node.js:
 
+```shell
+npm install merge-cells
+```
+
 ```ts
 import { calcRowspanFromObjectArray } from 'merge-cells'
 
@@ -50,12 +54,12 @@ Example:
 ```ts
 const tableEl = document.getElementById('table') as HTMLTableElement
 
-applyRowspanToTable(tableEl)
+mergeCells(tableEl)
 ```
 
 ### `calcRowspanFromObjectArray`
 
-Calculate the `rowspan` of each cell in JavaScript object rows. Useful for flexible usage such as in in server-side
+Calculate the `rowspan` of each cell in JavaScript object rows. Useful for flexible usage such as in server-side
 rendering. Signature:
 
 ```ts