Update the-chat-interface.md (#160)

Fix typo: updated Action Buttons description to correctly state they appear above the input field

Author: giusalfieri

docs/basic-usage/the-chat-interface.md

@@ -12,7 +12,7 @@ The chat interface consists of the following main elements:
 
 2. **Input Field:** This is where you type your tasks and questions for Roo Code.  You can use plain English to communicate.
 
-3. **Action Buttons:** These buttons appear below the input field and allow you to approve or reject Roo Code's proposed actions.  The available buttons change depending on the context.
+3. **Action Buttons:** These buttons appear above the input field and allow you to approve or reject Roo Code's proposed actions.  The available buttons change depending on the context.
 
 4. **Send Button:** This looks like a small plane and it's located to the far right of the input field. This sends messages to Roo after you've typed them.