Update shortcuts.mdx (#207)

New Window is Ctrl + N, Not Alt + Ctrl + U, that is close Split.

Signed-off-by: Mark Hegreberg <[email protected]>

Author: mhegreberg

content/docs/user-manual/shortcuts.mdx

@@ -58,7 +58,7 @@ The "Toggle Split View" shortcuts currently only applicable when selecting multi
 
 | **Action**              | **Shortcut**                                     |
 | ----------------------- | ------------------------------------------------ |
-| New Window              | <KeyboardShortcut shortcut="Alt + Ctrl + U" />   |
+| New Window              | <KeyboardShortcut shortcut="Crtl + N" />         |
 | New Tab                 | <KeyboardShortcut shortcut="Ctrl + T" />         |
 | Close Tab               | <KeyboardShortcut shortcut="Ctrl + W" />         |
 | Close Window            | <KeyboardShortcut shortcut="Shift + Ctrl + W" /> |