Fix a monor typo with the default keybinding for new tab (#287)

closes #270

TerminalDocs/index.md

@@ -29,7 +29,7 @@ You can configure your Windows Terminal to have a variety of color schemes and s
 
 There are a variety of custom commands you can use in Windows Terminal to have it feel more natural to you. If you don't like a particular keyboard shortcut, you can change it to whatever you prefer.
 
-For example, the default shortcut to copy text from the command line is <kbd>ctrl+shift+c</kbd>. You can change this to <kbd>ctrl+1</kbd> or whatever you prefer. To open a new tab, the default shortcut is <kbd>ctrl+t</kbd>, but maybe you want to change this to <kbd>ctrl+2</kbd>. The default shortcut to flip between the tabs you have open is <kbd>ctrl+tab</kbd>, this could be changed to <kbd>ctrl+-</kbd> and used to create a new tab instead.
+For example, the default shortcut to copy text from the command line is <kbd>ctrl+shift+c</kbd>. You can change this to <kbd>ctrl+1</kbd> or whatever you prefer. To open a new tab, the default shortcut is <kbd>ctrl+shift+t</kbd>, but maybe you want to change this to <kbd>ctrl+2</kbd>. The default shortcut to flip between the tabs you have open is <kbd>ctrl+tab</kbd>, this could be changed to <kbd>ctrl+-</kbd> and used to create a new tab instead.
 
 You can learn about customizing shortcuts on the [Actions page](./customize-settings/actions.md).