[documentation] Update formatting

Author: zombieFox

README.md

@@ -16,7 +16,7 @@ New-tab-page/Start-page for all browsers
 - <kbd>ctrl</kbd>+<kbd>alt</kbd>+<kbd>a</kbd> *to add a new bookmark*
 - <kbd>ctrl</kbd>+<kbd>alt</kbd>+<kbd>m</kbd> *to open menu*
 - <kbd>ctrl</kbd>+<kbd>alt</kbd>+<kbd>e</kbd> *to toggle edit state*
-- <kbd>ctrl</kbd>+<kbd>alt</kbd>+<kbd>d</kbd> *to toggle dark and light mode`
+- <kbd>ctrl</kbd>+<kbd>alt</kbd>+<kbd>d</kbd> *to toggle dark and light mode*
 - <kbd>ctrl</kbd>+<kbd>alt</kbd>+<kbd>r</kbd> *random theme if option is turned on in*`menu > layout > random Accent colour`
 - Responsive design
 - Customise Accent colour!