Update the-chat-interface.md

Author: mrubens

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

@@ -12,7 +12,7 @@ The chat interface consists of the following main elements:
 
 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.
 
-4. **Send Button:** This looks like a small plane and it located to the far right of the input field. This sends messages to Roo after you've typed them.
+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.
 
 5. **Plus Button:** The plus button is located at the top in the header, and it resets the current session.
 
@@ -30,4 +30,4 @@ The chat interface consists of the following main elements:
 
 *   **Loading Spinner:**  When Roo Code is processing a request, you'll see a loading spinner.
 *   **Error Messages:**  If an error occurs, a red error message will be displayed.
-*   **Success Messages:** Green messages indicate successful completion of actions.
+*   **Success Messages:** Green messages indicate successful completion of actions.