@bender-tags: bug, 4.7.1, trac16980, feature
@bender-ui: collapsed
@bender-ckeditor-plugins: wysiwygarea,a11yhelp,pastetext

### Scenario:

1. Focus the edtior.
1. Open Accessibility Help using `ALT+0` hotkey.
1. Scroll down to `Commands` section.

### Expected:
1. Mac users should see:

    * Chrome, Firefox:
    ```
    Paste as plain text
        Press Shift+Command+V
    ```

    * Safari:
    ```
    Paste as plain text
        Press Alt+Shift+Command+V
    ```

2. Windows users should see:

    * IE, Chrome, Firefox:
    ```
    Paste as plain text
        Press Shift+Ctrl+V
    ```

    * Edge:
    ```
    Paste as plain text
        Press Shift+Ctrl+V, followed by Ctrl+V
    ```