Update README.md

Author: intitni

README.md

@@ -158,29 +158,26 @@ Whenever you stop typing for a few milliseconds, the app will automatically fetc
 - Previous Suggestion: If there is more than one suggestion, switch to the previous one.
 - Accept Suggestion: Add the suggestion to the code.
 - Reject Suggestion: Remove the suggestion comments.
-- Toggle Real-time Suggestions: When turn on, Copilot will auto-insert suggestion comments to your code while editing.
 - Real-time Suggestions: Call only by Copilot for Xcode. When suggestions are successfully fetched, Copilot for Xcode will run this command to present the suggestions.
 - Prefetch Suggestions: Call only by Copilot for Xcode. In the background, Copilot for Xcode will occasionally run this command to prefetch real-time suggestions.
 
-#### Keyboard Shortcuts
-
-| Shortcut | Description |
-|:---:|---|
-| `⌘W` | Cancel. |
-| `⌘↩︎` | Accept suggestion. |
-| `⇧↩︎` | Add new line. |
-
 ### Chat
 
 This feature is powered by ChatGPT. Please ensure that you have set up your OpenAI account before using it.
 
+The chat knows the following information:
+- The selected code in the active editor.
+- The file path of the active file.
+- The project path.
+- The errors and warnings in the active editor.
+
 There are currently two tabs in the chat panel: one is available shared across Xcode, and the other is only available in the current file.
 
 You can detach the chat panel by simply dragging it away. Once detached, the chat panel will remain visible even if Xcode is inactive. To re-attach it to the widget, click the message bubble button located next to the circular widget.
 
 #### Commands
 
-- Chat with Selection: Open a chat window, if there is a selection, the selected code will be added to the prompt.
+- Open Chat: Open a chat window.
 - Explain Selection: Open a chat window and explain the selected code.
 
 #### Keyboard Shortcuts
@@ -233,7 +230,7 @@ A [recommended setup](https://github.com/intitni/CopilotForXcode/issues/14) that
 | Reject Suggestion | `⌥{` |
 | Next Suggestion | `⌥>` |
 | Previous Suggestion | `⌥<` |
-| Chat with Selection | `⌥"` |
+| Open Chat | `⌥"` |
 | Explain Selection | `⌥\|` |
 
 Essentially using `⌥⇧` as the "access" key combination for all bindings.