README.md in langchainrb_rails-0.1.3 vs README.md in langchainrb_rails-0.1.4

@@ -1,14 +1,17 @@
 💎🔗 Langchain.rb for Rails
 ---
 The fastest way to sprinkle AI ✨ on top of your Rails app. Add OpenAI-powered question-and-answering in minutes.
 
+Available for paid consulting engagements! [Email me](mailto:[e-mail]).
+
 ![Tests status](https://github.com/andreibondarev/langchainrb_rails/actions/workflows/ci.yml/badge.svg?branch=main)
 [![Gem Version](https://badge.fury.io/rb/langchainrb_rails.svg)](https://badge.fury.io/rb/langchainrb_rails)
 [![Docs](http://img.shields.io/badge/yard-docs-blue.svg)](http://rubydoc.info/gems/langchainrb_rails)
 [![License](https://img.shields.io/badge/license-MIT-green.svg)](https://github.com/andreibondarev/langchainrb_rails/blob/main/LICENSE.txt)
 [![](https://dcbadge.vercel.app/api/server/WDARp7J2n8?compact=true&style=flat)](https://discord.gg/WDARp7J2n8)
+[![X](https://img.shields.io/twitter/url/https/twitter.com/cloudposse.svg?style=social&label=Follow%20%40rushing_andrei)](https://twitter.com/rushing_andrei)
 
 ## Dependencies
 
 * Ruby 3.0+
 * Postgres 11+
@@ -94,10 +97,10 @@
 ```
 
 Re-generate embeddings after modifying this method:
 
 ```ruby
-product.embed!
+Product.embed!
 ```
 
 ## Rails Generators
 
 ### Pgvector Generator