Update more headers in README.md

Author: joshbickett

README.md

@@ -11,20 +11,20 @@
   <img src="https://github.com/OthersideAI/self-operating-computer/blob/main/readme/self-operating-computer.png" width="750"  style="margin: 10px;"/>
 </div>
 
-### Key Features
+## Key Features
 - **Compatibility**: Designed for various multimodal models.
 - **Integration**: Currently integrated with **GPT-4v** as the default model.
 - **Future Plans**: Support for additional models.
 - **Accessibility**: Voice control thanks to [Whisper](https://github.com/mallorbc/whisper_mic) & [younesbram](https://github.com/younesbram)
 
 
-### Current Challenges
+## Current Challenges
 > **Note:** GPT-4V's error rate in estimating XY mouse click locations is currently quite high. This framework aims to track the progress of multimodal models over time, aspiring to achieve human-level performance in computer operation.
 
-### Ongoing Development
+## Ongoing Development
 At [HyperwriteAI](https://www.hyperwriteai.com/), we are developing Agent-1-Vision a multimodal model with more accurate click location predictions.
 
-### Agent-1-Vision Model API Access
+## Agent-1-Vision Model API Access
 We will soon be offering API access to our Agent-1-Vision model.
 
 If you're interested in gaining access to this API, sign up [here](https://othersideai.typeform.com/to/FszaJ1k8?typeform-source=www.hyperwriteai.com).