README.md in gen-ai-0.2.2 vs README.md in gen-ai-0.2.3

@@ -18,24 +18,31 @@
 
     $ gem install gen-ai
 
 ## Usage
 
+Require it in you code:
+```ruby
+require 'gen_ai'
+```
+
+
+
 ### Feature support
 ✅ - Supported  |  ❌ - Not supported  |  🛠️ - Work in progress
 
 Language models capabilities
 
 | Provider         | Embedding | Completion | Conversation | Sentiment | Summarization |
-| ---------------- | --------- | :--------: | :----------: | :-------: | :-----------: |
+| ---------------- | :-------: | :--------: | :----------: | :-------: | :-----------: |
 | **OpenAI**       | ✅        | ✅         | ✅            | 🛠️        | 🛠️             |
 | **Google Palm2** | ✅        | ✅         | ✅            | 🛠️        | 🛠️             |
 
 
 Image generation model capabilities
 
 | Provider         | Generate  | Variations | Edit         | Upscale   |
-| ---------------- | --------- | :--------: | :----------: | :-------: |
+| ---------------- | :-------: | :--------: | :----------: | :-------: |
 | **OpenAI**       | ✅        | ✅         | ✅            | ❌        |
 | **StabilityAI**  | ✅        | ❌         | ✅            | ✅        |
 
 ### Language