Fix formatting on markdown table with browser instructions

Author: linda-lai

README.md

@@ -28,16 +28,17 @@ Follow the instructions in `js/level1.js` and type code in your Text Editor (thi
 In order to see anything that you edit, you need to save the file and refresh the web page. The result of any console.log() statement will be in the _browser console_.
 
 ### How to open the `Browser Console`
-| Browser     | Platform | Instruction                                         |
-| ----------- | -------- | --------------------------------------------------- |
-| **Chrome**  | Any      | right-click the page and select `Inspect`, switch to `Console` tab in the developer tools |
-| **Chrome**  | Mac      | press `COMMAND + OPTION + J`                        |
-| **Chrome**  | Windows  | press `CONTROL + SHIFT + J`                         |
-| **Firefox** | Any      | right-click the page and select `Inspect Element`, switch to `Console` tab |
-| **Firefox** | Mac      | press `COMMAND + OPTION + K`                        |
-| **Firefox** | Windows  | press `CONTROL + SHIFT + K`                         |
-| **Safari**  | Mac      | go to the menu bar and open `Safari > Preferences > Advanced >` and tick the box `Show Develop Menu` at the bottom, restart Safari, now you can right-click on the page and select `Inspect Element` to see the console. |
-| **Safari**  | Mac      | press `COMMAND + OPTION + C`                        |
+
+| Browser       | Platform | Instruction                                                                                    |
+| ------------- | -------- | ---------------------------------------------------------------------------------------------- |
+| **Chrome**    | Any      | right-click the page and select `Inspect`, switch to `Console` tab in the developer tools      |
+| **Chrome**    | Mac      | press `COMMAND + OPTION + J`                                                                   |
+| **Chrome**    | Windows  | press `CONTROL + SHIFT + J`                                                                    |
+| **Firefox**   | Any      | right-click the page and select `Inspect Element`, switch to `Console` tab                     |
+| **Firefox**   | Mac      | press `COMMAND + OPTION + K`                                                                   |
+| **Firefox**   | Windows  | press `CONTROL + SHIFT + K`                                                                    |
+| **Safari**    | Mac      | go to the menu bar and open `Safari > Preferences > Advanced >` and tick the box `Show Develop Menu` at the bottom, restart Safari, now you can right-click on the page and select `Inspect Element` to see the console.                                                |
+| **Safari**    | Mac      | press `COMMAND + OPTION + C`                                                                   |
 
 The console/developer tools will appear at the bottom or on the right side of the screen.